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author created description expires keywords language review title
Web Development Team
20121030
Public website for the Geosciences and Environmental Change Science Center (GECSC)
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USGS, environmental change, land remote sensing, land change science, geologic mapping, landcover change
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20121030
GECSC: Tree Species Distribution Maps for North America

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Digital Representations of Tree Species Range Maps from "Atlas of United States Trees" by Elbert L. Little, Jr. (and other publications)

Background

U.S. Forest Service logo{width="46" height="44"} Maps of the ranges of tree species in North America compiled by Elbert Little, of the U.S. Department of Agriculture, Forest Service, and others (see references below) were digitized for use in USGS' vegetation-climate modeling studies. These digital map files are available here for download. Updated versions of some of these maps are also available from the U.S. Forest Service Forest Inventory Analysis program.

The maps are available in ArcView® shapefile format. Geographic ranges are represented as polygons. There is one shapefile (with associated data files) for each tree species. At present, not all of the maps have been digitized, quality checked, and made available here, but we plan to make most or all of the digitized maps available over time.

NOTE ABOUT SCIENTIFIC NAMES: We are aware that the scientific names of some taxa have changed since these atlases were published. Because our intent is to digitally reproduce the maps in their original form, we refer to each tree species by the scientific name as published in the original reference.

References

Critchfield, W.B., and Little, E.L., Jr., 1966, Geographic distribution of the pines of the world: U.S. Department of Agriculture Miscellaneous Publication 991, p. 1-97.

Little, E.L., Jr., 1971, Atlas of United States trees, volume 1, conifers and important hardwoods: U.S. Department of Agriculture Miscellaneous Publication 1146, 9 p., 200 maps.

Little, E.L., Jr., 1976, Atlas of United States trees, volume 3, minor Western hardwoods: U.S. Department of Agriculture Miscellaneous Publication 1314, 13 p., 290 maps.

Little, E.L., Jr., 1977, Atlas of United States trees, volume 4, minor Eastern hardwoods: U.S. Department of Agriculture Miscellaneous Publication 1342, 17 p., 230 maps.

Little, E.L., Jr. 1978, Atlas of United States trees, volume 5, Florida: U.S. Department of Agriculture Miscellaneous Publication 1361, 262 maps.

Download files

DOCUMENTATION
For information on map projections, polygon attributes, and other map parameters, please see the metadata, available in FGDC format, a more user-friendly "Frequently-anticipated Questions" format, or plain text.

AVAILABLE FILE FORMATS
A PDF graphic file of the map is available for viewing purposes. Use the free Acrobat Reader program to view.
ArcView shapefiles of the distributions are contained in a ZIP file (.ZIP). Use WinZip, PKZip, or similar program to extract in MS Windows; use Stuffit Expander or similar to unzip on Macintosh; Use UnZip or similar program to extract on UNIX computers.

BASEMAP SHAPEFILES
ArcView Shapefiles of the basemaps used to create the graphic representations of the maps are not available for download here. Projection information is available in the metadata.

NOTICE: Use of trade names does not imply endorsement by the USGS or the U.S. Federal Government.

PDF ZIP Latin Name Common Name Reference Original Map No(s).

Graphic(PDF) Shapefiles Abies amabilis Pacific silver fir Little (1971) 1-W, 1-N Graphic(PDF) Shapefiles Abies balsamea balsam fir Little (1971) 2-N, 2-E Graphic(PDF) Shapefiles Abies bracteata bristlecone fir Little (1971) 3-W Graphic(PDF) Shapefiles Abies concolor white fir Little (1971) 5-W Graphic(PDF) Shapefiles Abies fraseri Fraser fir Little (1971) 4-E Graphic(PDF) Shapefiles Abies grandis grand fir Little (1971) 6-W Graphic(PDF) Shapefiles Abies lasiocarpa subalpine fir Little (1971) 7-W, 7-N Graphic(PDF) Shapefiles Abies magnifica California red fir Little (1971) 8-W Graphic(PDF) Shapefiles Abies procera noble fir Little (1971) 9-W Graphic(PDF) Shapefiles Acacia berlandieri Berlandier acacia Little (1976) 1-N, 1-SW Graphic(PDF) Shapefiles Acacia choriophylla cinnecord Little (1978) 159 Graphic(PDF) Shapefiles Acacia farnesiana sweet acacia Little (1976) 2 Graphic(PDF) Shapefiles Acacia greggii catclaw acacia Little (1976) 3 Graphic(PDF) Shapefiles Acacia macracantha long spine acacia Little (1978) 160 Graphic(PDF) Shapefiles Acacia rigidula blackbrush acacia Little (1976) 4 Graphic(PDF) Shapefiles Acacia roemeriana Roemer acacia Little (1976) 5 Graphic(PDF) Shapefiles Acacia tortuosa twisted acacia Little (1976) 6-N, 6-SW Graphic(PDF) Shapefiles Acacia wrightii Wright acacia Little (1976) 7 Graphic(PDF) Shapefiles Acer barbatum Florida maple Little (1977) 1 Graphic(PDF) Shapefiles Acer circinatum vine maple Little (1976) 8 Graphic(PDF) Shapefiles Acer glabrum Rocky Mountain maple Little (1976) 9-N, 9-W Graphic(PDF) Shapefiles Acer grandidentatum bigtooth maple Little (1976) 10 Graphic(PDF) Shapefiles Acer leucoderme chalk maple Little (1977) 2 Graphic(PDF) Shapefiles Acer macrophyllum bigleaf maple Little (1971) 95-W, 95-N Graphic(PDF) Shapefiles Acer negundo boxelder Little (1971) 96-W, 96-E, 96-N Graphic(PDF) Shapefiles Acer nigrum black maple Little (1971) 97-E Graphic(PDF) Shapefiles Acer pensylvanicum striped maple Little (1977) 3-N, 3-NE Graphic(PDF) Shapefiles Acer rubrum red maple Little (1971) 98-N, 98-E Graphic(PDF) Shapefiles Acer saccharinum silver maple Little (1971) 101-E Graphic(PDF) Shapefiles Acer saccharum sugar maple Little (1971) 99-N, 99-E Graphic(PDF) Shapefiles Acer spicatum mountain maple Little (1977) 4-N, 4-NE Graphic(PDF) Shapefiles Acoelorrhaphe wrightii paurotis palm Little (1978) 161 Graphic(PDF) Shapefiles Aesculus californica California buckeye Little (1976) 11 Graphic(PDF) Shapefiles Aesculus glabra Ohio buckeye Little (1971) 102-E Graphic(PDF) Shapefiles Aesculus octandra yellow buckeye Little (1971) 103-E Graphic(PDF) Shapefiles Aesculus parviflora bottlebrush buckeye Little (1977) 5 Graphic(PDF) Shapefiles Aesculus pavia red buckeye Little (1977) 6 Graphic(PDF) Shapefiles Aesculus sylvatica painted buckeye Little (1977) 7 Graphic(PDF) Shapefiles Agave utahensis Utah agave Benson and Darrow (1981) 3.16 Graphic(PDF) Shapefiles Alnus maritima seaside alder Little (1977) 8 Graphic(PDF) Shapefiles Alnus oblongifolia Arizona alder Little (1976) 12 Graphic(PDF) Shapefiles Alnus rhombifolia white alder Little (1976) 13 Graphic(PDF) Shapefiles Alnus rubra red alder Little (1971) 104-W, 104-N Graphic(PDF) Shapefiles Alnus rugosa speckled alder Little (1977) 9-N, 9-NE Graphic(PDF) Shapefiles Alnus serrulata hazel alder Little (1977) 10-NE, 10-SE, 10-N Graphic(PDF) Shapefiles Alnus sinuata Sitka alder Little (1976) 14-N, 14-W Graphic(PDF) Shapefiles Alnus tenuifolia thinleaf alder Little (1976) 15-N, 15-W Graphic(PDF) Shapefiles Alvaradoa amorphoides Mexican alvaradoa Little (1978) 162 Graphic(PDF) Shapefiles Amelanchier alnifolia western serviceberry Little (1976) 16-N, 16-NW Graphic(PDF) Shapefiles Amelanchier arborea downy serviceberry Little (1977) 11-N, 11-NE, 11-SE Graphic(PDF) Shapefiles Amelanchier interior inland serviceberry Little (1977) 13 Graphic(PDF) Shapefiles Amelanchier sanguinea roundleaf serviceberry Little (1977) 14 Graphic(PDF) Shapefiles Amelanchier utahensis Utah serviceberry Little (1976) 17 Graphic(PDF) Shapefiles Amphitecna latifolia black calabash Little (1978) 163 Graphic(PDF) Shapefiles Amyris balsamifera balsam torchwood Little (1978) 164 Graphic(PDF) Shapefiles Amyris elemifera torchwood Little (1978) 165 Graphic(PDF) Shapefiles Annona glabra pond apple Little (1978) 166 Graphic(PDF) Shapefiles Aralia spinosa devils walkingstick Little (1977) 15 Graphic(PDF) Shapefiles Arbutus arizonica Arizona madrone Little (1976) 18 Graphic(PDF) Shapefiles Arbutus menziesii Pacific madrone Little (1971) 100-W Graphic(PDF) Shapefiles Arbutus texana Texas madrone Little (1976) 19 Graphic(PDF) Shapefiles Arctostaphylos pringlei Pringle manzanita Little (1976) 20 Graphic(PDF) Shapefiles Ardisia escallonioides marlberry Little (1978) 167 Graphic(PDF) Shapefiles Artemisia tridentata big sagebrush Little (1976) 21-NW, 21-SW Graphic(PDF) Shapefiles Asimina parviflora smallflower pawpaw Little (1978) 158.5 Graphic(PDF) Shapefiles Asimina triloba pawpaw Little (1977) 16 Graphic(PDF) Shapefiles Avicennia germinans black mangrove Little (1977, 1978) 17-N,17-SE, 168 Graphic(PDF) Shapefiles Baccharis halimifolia eastern baccharis Little (1977) 18-NE, 18-SE Graphic(PDF) Shapefiles Betula alleghaniensis yellow birch Little (1971) 105-N, 105-E Graphic(PDF) Shapefiles Betula lenta sweet birch Little (1971) 106-E Graphic(PDF) Shapefiles Betula nana dwarf birch Little (1975) 34 Graphic(PDF) Shapefiles Betula nigra river birch Little (1971) 110-E Graphic(PDF) Shapefiles Betula occidentalis water birch Little (1976) 22-N, 22-NW Graphic(PDF) Shapefiles Betula papyrifera paper birch Little (1971) 107-N, 107-W, 107-E Graphic(PDF) Shapefiles Betula populifolia gray birch Little (1971) 108-N, 108-E Graphic(PDF) Shapefiles Betula uber Ashe birch Little (1977) 19 Graphic(PDF) Shapefiles Bourreria ovata Bahama strongbark Little (1978) 169 Graphic(PDF) Shapefiles Bourreria radula rough strongbark Little (1978) 170 Graphic(PDF) Shapefiles Bumelia celastrina saffron plum Little (1976, 1978) 23-N, 23-SW, 171 Graphic(PDF) Shapefiles Bumelia lanuginosa gum bumelia Little (1976, 1977) 24, 20 Graphic(PDF) Shapefiles Bumelia lycioides buckthorn bumelia Little (1977) 21 Graphic(PDF) Shapefiles Bumelia tenax tough bumelia Little (1977) 22 Graphic(PDF) Shapefiles Bursera fagaroides fragrant bursera Little (1976) 26-N, 26-SW Graphic(PDF) Shapefiles Bursera microphylla elephanttree Little (1976) 25 Graphic(PDF) Shapefiles Bursera simaruba gumbo limbo Little (1978) 172 Graphic(PDF) Shapefiles Byrsonima lucida key byrsonima Little (1978) 173 Graphic(PDF) Shapefiles Caesalpinia mexicana Mexican poinciana Little (1976) 27-N, 27-SW Graphic(PDF) Shapefiles Calyptranthes pallens pale lidflower Little (1978) 174 Graphic(PDF) Shapefiles Calyptranthes zuzygium myrtle of the river Little (1978) 175 Graphic(PDF) Shapefiles Canella winterana canella Little (1978) 176 Graphic(PDF) Shapefiles Canotia holacantha canotia Little (1976) 28 Graphic(PDF) Shapefiles Capparis cynophallophora Jamaica caper Little (1978) 177 Graphic(PDF) Shapefiles Capparis flexuosa limber caper Little (1978) 178 Graphic(PDF) Shapefiles Carpinus caroliniana American hornbeam Little (1971) 109-N, 109-E Graphic(PDF) Shapefiles Carya aquatica water hickory Little (1971) 111-E Graphic(PDF) Shapefiles Carya cordiformis bitternut hickory Little (1971) 112-E Graphic(PDF) Shapefiles Carya floridana scrub hickory Little (1977) 23 Graphic(PDF) Shapefiles Carya glabra pignut hickory Little (1971) 113-E Graphic(PDF) Shapefiles Carya illinoensis pecan Little (1971) 114-W, 114-E, 114-N Graphic(PDF) Shapefiles Carya laciniosa shellbark hickory Little (1971) 115-E Graphic(PDF) Shapefiles Carya myristicaeformis nutmeg hickory Little (1971) 116-E Graphic(PDF) Shapefiles Carya ovata shagbark hickory Little (1971) 118-N, 118-E Graphic(PDF) Shapefiles Carya pallida sand hickory Little (1977) 24 Graphic(PDF) Shapefiles Carya texana black hickory Little (1977) 25 Graphic(PDF) Shapefiles Carya tomentosa mockernut hickory Little (1971) 117-E Graphic(PDF) Shapefiles Castanea alnifolia Florida chinkapin Little (1977) 26 Graphic(PDF) Shapefiles Castanopsis chrysophylla golden chinkapin Little (1971) 119-W Graphic(PDF) Shapefiles Castanea dentata American chestnut Little (1977) 27-NE, 27-SE Graphic(PDF) Shapefiles Castanea ozarkensis Ozark chinkapin Little (1977) 28 Graphic(PDF) Shapefiles Castanea pumila Allegheny chinkapin Little (1977) 29 Graphic(PDF) Shapefiles Catalpa bignonioides southern catalpa Little (1977) 30 Graphic(PDF) Shapefiles Catalpa speciosa northern catalpa Little (1971) 120-E Graphic(PDF) Shapefiles Ceanothus arboreus feltleaf ceanothus Little (1976) 29 Graphic(PDF) Shapefiles Ceanothus spinosus spiny ceanothus Little (1976) 30 Graphic(PDF) Shapefiles Ceanothus thyrsiflorus blueblossom Little (1976) 31 Graphic(PDF) Shapefiles Celtis laevigata sugarberry Little (1971) 122-W, 122-E, 122-N Graphic(PDF) Shapefiles Celtis lindheimeri Lindheimer hackberry Little (1976) 32 Graphic(PDF) Shapefiles Celtis occidentalis hackberry Little (1971) 121-W, 121-E Graphic(PDF) Shapefiles Celtis reticulata netleaf hackberry Little (1976) 33-N, 33-NW, 33-SW Graphic(PDF) Shapefiles Celtis tenuifolia Georgia hackberry Little (1977) 31 Graphic(PDF) Shapefiles Cephalanthus occidentalis common buttonbush Little (1976, 1977) 34-NW, 34-SW, 34-N, 32-NE, 32-SE,32-N Graphic(PDF) Shapefiles Cercocarpus betuloides birchleaf cercocarpus Little (1976) 40 Graphic(PDF) Shapefiles Cercocarpus breviflorus hairy cercocarpus Little (1976) 41 Graphic(PDF) Shapefiles Cercis canadensis eastern redbud Little (1976, 1977) 38-N, 38-SW, 33-N, 33-NE, 33-SE Graphic(PDF) Shapefiles Cercidium floridum blue paloverde Little (1976) 35 Graphic(PDF) Shapefiles Cercocarpus ledifolius curlleaf cercocarpus Little (1976) 42 Graphic(PDF) Shapefiles Cercidium macrum border paloverde Little (1976) 36 Graphic(PDF) Shapefiles Cercidium microphyllum yellow paloverde Little (1976) 37 Graphic(PDF) Shapefiles Cercis occidentalis California redbud Little (1976) 39 Graphic(PDF) Shapefiles Cercocarpus traskiae Catalina cercocarpus Little (1976) 43 Graphic(PDF) Shapefiles Cereus giganteus saguaro Little (1976) 44 Graphic(PDF) Shapefiles Cereus robinii key tree cactus Little (1978) 179 Graphic(PDF) Shapefiles Chamaecyparis lawsoniana Port Orford cedar Little (1971) 10-W Graphic(PDF) Shapefiles Chamaecyparis nootkatensis Alaska cedar Little (1971) 12-W, 12-N Graphic(PDF) Shapefiles Chamaecyparis thyoides Atlantic white cedar Little (1971) 11-E Graphic(PDF) Shapefiles Chilopsis linearis desert willow Little (1976) 49 Graphic(PDF) Shapefiles Chionanthus virginicus fringetree Little (1977) 34 Graphic(PDF) Shapefiles Chrysobalanus icaco cocoplum Little (1978) 180 Graphic(PDF) Shapefiles Chrysophyllum oliviforme satinleaf Little (1978) 181 Graphic(PDF) Shapefiles Citharexylum berlandieri Berlandier fiddlewood Little (1976) 45-N, 45-SW Graphic(PDF) Shapefiles Citharexylum fruticosum Florida fiddlewood Little (1978) 182 Graphic(PDF) Shapefiles Cladrastis kentukea yellowwood Little (1977) 35 Graphic(PDF) Shapefiles Clethra acuminata cinnamon clethra Little (1977) 36 Graphic(PDF) Shapefiles Cliftonia monophylla buckwheat tree Little (1977) 37 Graphic(PDF) Shapefiles Clusia rosea Florida clusia Little (1978) 183 Graphic(PDF) Shapefiles Coccothrinax argentata Florida silverpalm Little (1978) 186 Graphic(PDF) Shapefiles Coccoloba diversifolia pigeon plum Little (1978) 184 Graphic(PDF) Shapefiles Coccoloba uvifera seagrape Little (1978) 185 Graphic(PDF) Shapefiles Colubrina arborescens coffee colubrina Little (1978) 187 Graphic(PDF) Shapefiles Colubrina cubensis Cuba colubrina Little (1978) 188 Graphic(PDF) Shapefiles Colubrina elliptica soldierwood Little (1978) 189 Graphic(PDF) Shapefiles Condalia globosa bitter condalia Little (1976) 46 Graphic(PDF) Shapefiles Condalia hookeri bluewood Little (1976) 47 Graphic(PDF) Shapefiles Conocarpus erectus button mangrove Little (1978) 190 Graphic(PDF) Shapefiles Cordia boissieri anacahuita Little (1976) 48-N, 48-SW Graphic(PDF) Shapefiles Cordia sebestena Geiger tree Little (1978) 191 Graphic(PDF) Shapefiles Cornus alternifolia alternate leaf dogwood Little (1977) 38-NE,38-SE,38-N Graphic(PDF) Shapefiles Cornus drummondii roughleaf dogwood Little (1977) 39 Graphic(PDF) Shapefiles Cornus florida flowering dogwood Little (1971) 124-N, 124-E Graphic(PDF) Shapefiles Cornus glabrata brown dogwood Little (1976) 50 Graphic(PDF) Shapefiles Cornus nuttallii Pacific dogwood Little (1976) 51-NW, 51-SW Graphic(PDF) Shapefiles Cornus occidentalis western dogwood Little (1976) 52 Graphic(PDF) Shapefiles Cornus racemosa gray dogwood Little (1977) 41 Graphic(PDF) Shapefiles Cornus rugosa roundleaf dogwood Little (1977) 40-NE, 40-N Graphic(PDF) Shapefiles Cornus sessilis blackfruit dogwood Little (1976) 56 Graphic(PDF) Shapefiles Cornus stolonifera red osier dogwood Little (1977) 43-N, 43-NE Graphic(PDF) Shapefiles Cornus stricta stiffcornel dogwood Little (1977) 42 Graphic(PDF) Shapefiles Corylus cornuta beaked hazel Little (1977) 44-N, 44-NE Graphic(PDF) Shapefiles Cotinus obovatus American smoketree Little (1977) 46 Graphic(PDF) Shapefiles Cowania mexicana cliffrose Little (1976) 55-N, 55-SW Graphic(PDF) Shapefiles Crataegus chrysocarpa fireberry hawthorn Little (1976) 57 Graphic(PDF) Shapefiles Crataegus columbiana Columbia hawthorn Little (1976) 58-N, 58-NW Graphic(PDF) Shapefiles Crataegus douglasii black hawthorn Little (1976) 59-N, 59-NW Graphic(PDF) Shapefiles Crataegus erythropoda Cerro hawthorn Little (1976) 60 Graphic(PDF) Shapefiles Crataegus saligna willow hawthorn Little (1976) 61 Graphic(PDF) Shapefiles Crataegus succulenta fleshy hawthorn Little (1976) 62 Graphic(PDF) Shapefiles Crataegus tracyi Tracy hawthorn Little (1976) 63 Graphic(PDF) Shapefiles Crossopetalum rhacoma Florida crossopetalum Little (1978) 192 Graphic(PDF) Shapefiles Cupania glabra Florida cupania Little (1978) 193 Graphic(PDF) Shapefiles Cupressus arizonica Arizona cypress Little (1971) 13-W Graphic(PDF) Shapefiles Cupressus bakeri Modoc cypress Little (1971) 14-W Graphic(PDF) Shapefiles Cupressus goveniana Gowen cypress Little (1971) 15-W Graphic(PDF) Shapefiles Cupressus guadalupensis Tecate cypress Little (1971) 16-W Graphic(PDF) Shapefiles Cupressus macnabiana MacNab cypress Little (1971) 17-W Graphic(PDF) Shapefiles Cupressus macrocarpa Monterey cypress Little (1971) 18-W Graphic(PDF) Shapefiles Cupressus sargentii Sargent cypress Little (1971) 19-W Graphic(PDF) Shapefiles Cyrilla racemiflora swamp cyrilla Little (1977) 45-SE, 45-N Graphic(PDF) Shapefiles Dalea spinosa smokethorn Little (1976) 64 Graphic(PDF) Shapefiles Diospyros texana Texas persimmon Little (1976) 65 Graphic(PDF) Shapefiles Diospyros virginiana common persimmon Little (1971) 123-E Graphic(PDF) Shapefiles Dipholis salicifolia willow bustic Little (1978) 194 Graphic(PDF) Shapefiles Dodonaea viscosa hopbush Little (1976, 1978) 66-N, 66-SW,195 Graphic(PDF) Shapefiles Drypetes diversifolia milkbark Little (1978) 196 Graphic(PDF) Shapefiles Drypetes lateriflora Guiana plum Little (1978) 197 Graphic(PDF) Shapefiles Ehretia anacua anaqua Little (1976) 67-N, 67-SW Graphic(PDF) Shapefiles Elliottia racemosa elliottia Little (1977) 47 Graphic(PDF) Shapefiles Erythrina flabelliformis southwestern coralbean Little (1976) 68-N, 68-SW Graphic(PDF) Shapefiles Erythrina herbacea eastern coralbean Little (1977) 48-SE, 48-N Graphic(PDF) Shapefiles Esenbeckia berlandieri Berlandier esenbeckia Little (1976) 69-N, 69-SW Graphic(PDF) Shapefiles Eugenia axillaris white stopper Little (1978) 198 Graphic(PDF) Shapefiles Eugenia confusa redberry stopper Little (1978) 199 Graphic(PDF) Shapefiles Eugenia foetida boxleaf stopper Little (1978) 200 Graphic(PDF) Shapefiles Eugenia rhombea red stopper Little (1978) 201 Graphic(PDF) Shapefiles Euonymus atropurpureus eastern wahoo Little (1977) 49-NE, 49-SE Graphic(PDF) Shapefiles Euonymus occidentalis western wahoo Little (1976) 70 Graphic(PDF) Shapefiles Exostema caribaeum princewood Little (1978) 202 Graphic(PDF) Shapefiles Exothea paniculata inkwood Little (1978) 203 Graphic(PDF) Shapefiles Eysenhardtia polystachya kidneywood Little (1976) 72-N, 72-W Graphic(PDF) Shapefiles Eysenhardtia texana Texas kidneywood Little (1976) 71 Graphic(PDF) Shapefiles Fagus grandifolia American beech Little (1971) 125-N, 125-E Graphic(PDF) Shapefiles Ficus aurea Florida strangler fig Little (1978) 204 Graphic(PDF) Shapefiles Ficus citrifolia shortleaf fig Little (1978) 205 Graphic(PDF) Shapefiles Forestiera acuminata swamp privet Little (1977) 50 Graphic(PDF) Shapefiles Forestiera angustifolia Texas forestiera Little (1976) 73-N, 73-W Graphic(PDF) Shapefiles Forestiera phillyreoides desert olive forestiera Little (1976) 74 Graphic(PDF) Shapefiles Forestiera segregata Florida privet Little (1977) 51 Graphic(PDF) Shapefiles Franklinia alatamaha franklinia Little (1977) 52 Graphic(PDF) Shapefiles Fraxinus americana white ash Little (1971) 126-N, 126-E Graphic(PDF) Shapefiles Fraxinus anomala singleleaf ash Little (1976) 75 Graphic(PDF) Shapefiles Fraxinus berlandieriana Berlandier ash Little (1976) 76 Graphic(PDF) Shapefiles Fraxinus caroliniana Carolina ash Little (1977) 53 Graphic(PDF) Shapefiles Fraxinus cuspidata fragrant ash Little (1976) 77 Graphic(PDF) Shapefiles Fraxinus dipetala two petal ash Little (1976) 78 Graphic(PDF) Shapefiles Fraxinus gooddingii Goodding ash Little (1976) 79 Graphic(PDF) Shapefiles Fraxinus greggii Gregg ash Little (1976) 80-N, 80-SW Graphic(PDF) Shapefiles Fraxinus latifolia Oregon ash Little (1971) 127-W Graphic(PDF) Shapefiles Fraxinus nigra black ash Little (1971) 129-N, 129-E Graphic(PDF) Shapefiles Fraxinus papillosa Chihuahua ash Little (1976) 81 Graphic(PDF) Shapefiles Fraxinus pennsylvanica green ash Little (1971) 130-W, 130-E, 130-N Graphic(PDF) Shapefiles Fraxinus profunda pumpkin ash Little (1977) 54 Graphic(PDF) Shapefiles Fraxinus quadrangulata blue ash Little (1971) 128-E Graphic(PDF) Shapefiles Fraxinus texensis Texas ash Little (1976) 82 Graphic(PDF) Shapefiles Fraxinus velutina velvet ash Little (1976) 83 Graphic(PDF) Shapefiles Fremontodendron californicum California fremontia Little (1976) 84 Graphic(PDF) Shapefiles Fremontodendron mexicanum Mexican fremontia Little (1976) 85 Graphic(PDF) Shapefiles Garrya elliptica wavyleaf silktassel Little (1976) 86 Graphic(PDF) Shapefiles Genipa clusiifolia seven year apple Little (1978) 206 Graphic(PDF) Shapefiles Gleditsia aquatica waterlocust Little (1977) 55 Graphic(PDF) Shapefiles Gleditsia triacanthos honeylocust Little (1971) 132-W, 132-E Graphic(PDF) Shapefiles Gordonia lasianthus loblolly bay Little (1977) 56 Graphic(PDF) Shapefiles Guaiacum angustifolium Texas lignumvitae Little (1976) 87 Graphic(PDF) Shapefiles Guaiacum sanctum roughbark lignumvitae Little (1978) 207 Graphic(PDF) Shapefiles Guapira discolor blolly Little (1978) 208 Graphic(PDF) Shapefiles Guettarda elliptica elliptic leaf velvetseed Little (1978) 209 Graphic(PDF) Shapefiles Guettarda scabra roughleaf velvetseed Little (1978) 210 Graphic(PDF) Shapefiles Gyminda latifolia falsebox Little (1978) 211 Graphic(PDF) Shapefiles Gymnocladus dioicus Kentucky coffeetree Little (1977) 57 Graphic(PDF) Shapefiles Gymnanthes lucida oysterwood Little (1978) 212 Graphic(PDF) Shapefiles Halesia carolina Carolina silverbell Little (1977) 58 Graphic(PDF) Shapefiles Halesia diptera two wing silverbell Little (1977) 59 Graphic(PDF) Shapefiles Halesia parviflora little silverbell Little (1977) 60 Graphic(PDF) Shapefiles Hamamelis virginiana witch hazel Little (1977) 61-N, 61-NE, 61-SE Graphic(PDF) Shapefiles Hamelia patens scarletbush Little (1978) 213 Graphic(PDF) Shapefiles Helietta parvifolia barreta Little (1976) 89-N, 89-SW Graphic(PDF) Shapefiles Hippomane mancinella manchineel Little (1978) 214 Graphic(PDF) Shapefiles Holacantha emoryi holacantha Little (1976) 88 Graphic(PDF) Shapefiles Hypelate trifoliata hypelate Little (1978) 215 Graphic(PDF) Shapefiles Ilex ambigua Carolina holly Little (1977) 62 Graphic(PDF) Shapefiles Ilex amelanchier sarvis holly Little (1977) 63 Graphic(PDF) Shapefiles Ilex cassine dahoon Little (1977) 64-N, 64-SE Graphic(PDF) Shapefiles Ilex coriacea large gallberry Little (1977) 65 Graphic(PDF) Shapefiles Ilex decidua possumhaw Little (1977) 66 Graphic(PDF) Shapefiles Ilex krugiana tawnyberry holly Little (1978) 216 Graphic(PDF) Shapefiles Ilex laevigata smooth winterberry Little (1977) 67 Graphic(PDF) Shapefiles Ilex longipes Georgia holly Little (1978) 158.2 Graphic(PDF) Shapefiles Ilex montana mountain winterberry Little (1977) 68 Graphic(PDF) Shapefiles Ilex myrtifolia myrtle dahoon Little (1977) 69 Graphic(PDF) Shapefiles Ilex opaca American holly Little (1971) 131-E Graphic(PDF) Shapefiles Ilex verticillata common winterberry Little (1977) 70-N, 70-NE, 70-SE Graphic(PDF) Shapefiles Ilex vomitoria yaupon Little (1977) 71-SE, 71-N Graphic(PDF) Shapefiles Illicium floridanum Florida anise tree Little (1977) 72-N, 72-NE Graphic(PDF) Shapefiles Illicium parviflorum yellow anise tree Little (1977) 73 Graphic(PDF) Shapefiles Jacquinia keyensis joewood Little (1978) 217 Graphic(PDF) Shapefiles Juglans californica California walnut Little (1976) 90 Graphic(PDF) Shapefiles Juglans cinerea butternut Little (1971) 133-E Graphic(PDF) Shapefiles Juglans hindsii Hinds walnut Little (1976) 91 Graphic(PDF) Shapefiles Juglans major Arizona walnut Little (1976) 92-N, 92-SW Graphic(PDF) Shapefiles Juglans microcarpa little walnut Little (1976) 93 Graphic(PDF) Shapefiles Juglans nigra black walnut Little (1971) 134-E Graphic(PDF) Shapefiles Juniperus ashei Ashe juniper Little (1971) 21-W, 21-E Graphic(PDF) Shapefiles Juniperus californica California juniper Little (1971) 20-W Graphic(PDF) Shapefiles Juniperus communis common juniper Little (1971) 22-W, 22-E, 22-N Graphic(PDF) Shapefiles Juniperus deppeana alligator juniper Little (1971) 23-W, 23-N Graphic(PDF) Shapefiles Juniperus erythrocarpa redberry juniper Little (1981) 36 Graphic(PDF) Shapefiles Juniperus flaccida drooping juniper Little (1971) 24-W, 24-N Graphic(PDF) Shapefiles Juniperus horizontalis creeping juniper Little (1971) 22.1-N, 22.1-W, 22.1-E Graphic(PDF) Shapefiles Juniperus monosperma one seed juniper Little (1971) 25-W, 25-N Graphic(PDF) Shapefiles Juniperus occidentalis western juniper Little (1971) 26-W Graphic(PDF) Shapefiles Juniperus osteosperma Utah juniper Little (1971) 27-W Graphic(PDF) Shapefiles Juniperus pinchotii Pinchot juniper Little (1971) 28-W Graphic(PDF) Shapefiles Juniperus scopulorum Rocky Mountain juniper Little (1971) 30-W, 30-N Graphic(PDF) Shapefiles Juniperus silicicola southern redcedar Little (1971) 29-E Graphic(PDF) Shapefiles Juniperus virginiana eastern redcedar Little (1971) 31-W, 31-E Graphic(PDF) Shapefiles Kalmia latifolia mountain laurel Little (1977) 75-NE, 75-SE Graphic(PDF) Shapefiles Koeberlinia spinosa allthorn Little (1976) 95-N, 95-SW Graphic(PDF) Shapefiles Krugiodendron ferreum leadwood Little (1978) 218 Graphic(PDF) Shapefiles Laguncularia racemosa white mangrove Little (1978) 219 Graphic(PDF) Shapefiles Larix laricina tamarack Little (1971) 32-N, 32-E Graphic(PDF) Shapefiles Larix lyallii subalpine larch Little (1971) 33-W Graphic(PDF) Shapefiles Larix occidentalis western larch Little (1971) 34-W Graphic(PDF) Shapefiles Larrea divaricata creosote bush Yang (1970) p. 44 Graphic(PDF) Shapefiles Leitneria floridana corkwood Little (1977) 74 Graphic(PDF) Shapefiles Leucaena pulverulenta great leadtree Little (1976) 96-N, 96-SW Graphic(PDF) Shapefiles Leucaena retusa littleleaf leadtree Little (1976) 94 Graphic(PDF) Shapefiles Libocedrus decurrens incense cedar Little (1971) 35-W Graphic(PDF) Shapefiles Licaria triandra Florida licaria Little (1978) 220 Graphic(PDF) Shapefiles Liquidambar styraciflua sweetgum Little (1971) 135-N, 135-E Graphic(PDF) Shapefiles Liriodendron tulipifera yellow poplar Little (1971) 137-E Graphic(PDF) Shapefiles Lithocarpus densiflorus tanoak Little (1971) 136-W Graphic(PDF) Shapefiles Lyonia ferruginea tree lyonia Little (1977) 76 Graphic(PDF) Shapefiles Lyonothamnus floribundus Lyontree Little (1976) 98 Graphic(PDF) Shapefiles Lysiloma latisiliquum Bahama lysiloma Little (1978) 221 Graphic(PDF) Shapefiles Lysiloma microphylla littleleaf lysiloma Little (1976) 97-N, 97-SW Graphic(PDF) Shapefiles Maclura pomifera Osage orange Little (1971) 138-W, 138-E Graphic(PDF) Shapefiles Magnolia acuminata cucumbertree Little (1971) 140-E Graphic(PDF) Shapefiles Magnolia ashei Ashe magnolia Little (1977) 77 Graphic(PDF) Shapefiles Magnolia fraseri Fraser magnolia Little (1977) 78 Graphic(PDF) Shapefiles Magnolia grandiflora southern magnolia Little (1971) 141-E Graphic(PDF) Shapefiles Magnolia macrophylla bigleaf magnolia Little (1977) 79 Graphic(PDF) Shapefiles Magnolia pyramidata pyramid magnolia Little (1977) 80 Graphic(PDF) Shapefiles Magnolia tripetala umbrella magnolia Little (1977) 81 Graphic(PDF) Shapefiles Magnolia virginiana sweetbay Little (1971) 142-E Graphic(PDF) Shapefiles Malus angustifolia southern crab apple Little (1977) 82 Graphic(PDF) Shapefiles Malus coronaria sweet crab apple Little (1977) 83 Graphic(PDF) Shapefiles Malus diversifolia Oregon crab apple Little (1976) 100-N, 100-W Graphic(PDF) Shapefiles Malus ioensis prairie crab apple Little (1977) 84 Graphic(PDF) Shapefiles Manilkara bahamensis wild dilly Little (1978) 222 Graphic(PDF) Shapefiles Mastichodendron foetidissimum false mastic Little (1978) 223 Graphic(PDF) Shapefiles Maytenus phyllanthoides Florida mayten Little (1978) 224 Graphic(PDF) Shapefiles Metopium toxiferum Florida poisontree Little (1978) 225 Graphic(PDF) Shapefiles Morus microphylla Texas mulberry Little (1976) 99 Graphic(PDF) Shapefiles Morus rubra red mulberry Little (1971) 139-W, 139-E Graphic(PDF) Shapefiles Myrcianthes fragrans twinberry stopper Little (1978) 226 Graphic(PDF) Shapefiles Myrica californica Pacific bayberry Little (1976) 101 Graphic(PDF) Shapefiles Myrica cerifera southern bayberry Little (1977) 85 Graphic(PDF) Shapefiles Myrica heterophylla evergreen bayberry Little (1977) 86 Graphic(PDF) Shapefiles Myrica inodora odorless bayberry Little (1977) 87 Graphic(PDF) Shapefiles Myrica pensylvanica northern bayberry Little (1977) 88-N, 88-NE Graphic(PDF) Shapefiles Nectandra coriacea Florida nectandra Little (1978) 227 Graphic(PDF) Shapefiles Nemopanthus collinus mountain holly Little (1977) 89 Graphic(PDF) Shapefiles Nolina bigelovii Bigelow nolina Little (1976) 102 Graphic(PDF) Shapefiles Nyssa aquatica water tupelo Little (1971) 143-E Graphic(PDF) Shapefiles Nyssa ogeche Ogeechee tupelo Little (1971) 145-E Graphic(PDF) Shapefiles Nyssa sylvatica black tupelo, blackgum Little (1971) 144-N, 144-E Graphic(PDF) Shapefiles Olneya tesota tesota Little (1976) 103 Graphic(PDF) Shapefiles Opuntia fulgida jumping cholla Little (1976) 104 Graphic(PDF) Shapefiles Osmanthus americanus devilwood Little (1977) 90 Graphic(PDF) Shapefiles Ostrya chisosensis Chisos hophornbean Little (1976) 105 Graphic(PDF) Shapefiles Ostrya knowltonii Knowlton hophornbeam Little (1976) 106 Graphic(PDF) Shapefiles Ostrya virginiana eastern hophornbeam Little (1971) 146-N, 146-W, 146-E Graphic(PDF) Shapefiles Oxydendrum arboreum sourwood Little (1977) 91 Graphic(PDF) Shapefiles Parkinsonia aculeata Jerusalem thorn Little (1976) 107 Graphic(PDF) Shapefiles Persea borbonia redbay Little (1977) 92 Graphic(PDF) Shapefiles Photinia arbutifolia Christmas berry Little (1976) 109-NW, 109-SW Graphic(PDF) Shapefiles Picea breweriana Brewer spruce Little (1971) 36-W Graphic(PDF) Shapefiles Picea chihuahuana chihuahua spruce Gordon (1968) Fig. 5, Page 882 Graphic(PDF) Shapefiles Picea engelmannii Engelmann spruce Little (1971) 37-W, 37-N Graphic(PDF) Shapefiles Picea glauca white spruce Little (1971) 39-W, 39-E, 39-N Graphic(PDF) Shapefiles Picea mariana black spruce Little (1971) 38-N, 38-E Graphic(PDF) Shapefiles Picea pungens blue spruce Little (1971) 40-W Graphic(PDF) Shapefiles Picea rubens red spruce Little (1971) 41-N, 41-E Graphic(PDF) Shapefiles Picea sitchensis Sitka spruce Little (1971) 42-W, 42-N Graphic(PDF) Shapefiles Picramnia pentandra bitterbush Little (1978) 228 Graphic(PDF) Shapefiles Pinckneya pubens pinckneya Little (1977) 93 Graphic(PDF) Shapefiles Pinus albicaulis whitebark pine Little (1971) 43-W, 43-N Graphic(PDF) Shapefiles Pinus aristata bristlecone pine Little (1971) 44-W Graphic(PDF) Shapefiles Pinus attenuata knobcone pine Little (1971) 48-W Graphic(PDF) Shapefiles Pinus ayacahuite Mexican white pine Critchfield and Little (1966) 9 Graphic(PDF) Shapefiles Pinus balfouriana foxtail pine Little (1971) 45-W Graphic(PDF) Shapefiles Pinus banksiana jack pine Little (1971) 46-N, 46-E Graphic(PDF) Shapefiles Pinus caribaea Caribbean pine Critchfield and Little (1966) 46 Graphic(PDF) Shapefiles Pinus cembroides Mexican pinyon Little (1971) 47-W, 47-N Graphic(PDF) Shapefiles Pinus clausa sand pine Little (1971) 49-E Graphic(PDF) Shapefiles Pinus contorta lodgepole pine Little (1971) 50-W, 50-N Graphic(PDF) Shapefiles Pinus cooperi Cooper pine Critchfield and Little (1966) 51 Graphic(PDF) Shapefiles Pinus coulteri Coulter pine Little (1971) 51-W Graphic(PDF) Shapefiles Pinus cubensis Cuban pine Critchfield and Little (1966) 46 Graphic(PDF) Shapefiles Pinus culminicola Potosi pinyon Critchfield and Little (1966) 18 Graphic(PDF) Shapefiles Pinus douglasiana Douglas pine Critchfield and Little (1966) 52 Graphic(PDF) Shapefiles Pinus durangensis Durango pine Critchfield and Little (1966) 50 Graphic(PDF) Shapefiles Pinus echinata shortleaf pine Little (1971) 52-E Graphic(PDF) Shapefiles Pinus edulis pinyon Little (1971) 53-W Graphic(PDF) Shapefiles Pinus elliottii slash pine Little (1971) 54-E Graphic(PDF) Shapefiles Pinus engelmannii Apache pine Little (1971) 55-W, 55-N Graphic(PDF) Shapefiles Pinus flexilis limber pine Little (1971) 56-W, 56-N Graphic(PDF) Shapefiles Pinus glabra spruce pine Little (1971) 58-E Graphic(PDF) Shapefiles Pinus greggii Gregg pine Critchfield and Little (1966) 60 Graphic(PDF) Shapefiles Pinus hartwegii Hartweg pine Critchfield and Little (1966) 51 Graphic(PDF) Shapefiles Pinus jeffreyi Jeffrey pine Little (1971) 57-W Graphic(PDF) Shapefiles Pinus lambertiana sugar pine Little (1971) 59-W Graphic(PDF) Shapefiles Pinus lawsonii Lawson pine Critchfield and Little (1966) 53 Graphic(PDF) Shapefiles Pinus leiophylla Chihuahua pine Little (1971), Critchfield and Little (1966) 61-W, 61-N, 22 Graphic(PDF) Shapefiles Pinus longaeva Intermountain bristlecone pine Bailey, 1970; Little, 1971 p. 215, 44W Graphic(PDF) Shapefiles Pinus lumholtzii Lumholtz pine Critchfield and Little (1966) 23 Graphic(PDF) Shapefiles Pinus maximartinezii Mart?nez pinyon Critchfield and Little (1966) 15 Graphic(PDF) Shapefiles Pinus michoacana Michoac�n pine Critchfield and Little (1966) 50 Graphic(PDF) Shapefiles Pinus monophylla singleleaf pinyon Little (1971) 60-W Graphic(PDF) Shapefiles Pinus monticola western white pine Little (1971) 62-W Graphic(PDF) Shapefiles Pinus montezumae Montezuma pine Critchfield and Little (1966) 49 Graphic(PDF) Shapefiles Pinus muricata bishop pine Little (1971) 63-W Graphic(PDF) Shapefiles Pinus nelsonii Nelson pinyon Critchfield and Little (1966) 18 Graphic(PDF) Shapefiles Pinus occidentalis West Indian pine Critchfield and Little (1966) 46 Graphic(PDF) Shapefiles Pinus oocarpa Nicaraguan pitch pine; ocote pine Critchfield and Little (1966) 61 Graphic(PDF) Shapefiles Pinus palustris longleaf pine Little (1971) 65-E Graphic(PDF) Shapefiles Pinus patula Mexican weeping pine Critchfield and Little (1966) 60 Graphic(PDF) Shapefiles Pinus pinceana Pince pinyon Critchfield and Little (1966) 18 Graphic(PDF) Shapefiles Pinus ponderosa ponderosa pine Little (1971) 64-W, 64-N Graphic(PDF) Shapefiles Pinus pringlei Pringle pine Critchfield and Little (1966) 61 Graphic(PDF) Shapefiles Pinus pseudostrobus False Weymouth pine Critchfield and Little (1966) 52 Graphic(PDF) Shapefiles Pinus pungens Table Mountain pine Little (1971) 66-E Graphic(PDF) Shapefiles Pinus quadrifolia Parry pinyon Little (1971) 67-W Graphic(PDF) Shapefiles Pinus radiata Monterey pine Little (1971) 68-W Graphic(PDF) Shapefiles Pinus resinosa red pine Little (1971) 69-N, 69-E Graphic(PDF) Shapefiles Pinus rigida pitch pine Little (1971) 71-E Graphic(PDF) Shapefiles Pinus sabiniana Digger pine Little (1971) 70-W Graphic(PDF) Shapefiles Pinus serotina pond pine Little (1971) 74-E Graphic(PDF) Shapefiles Pinus strobus eastern white pine Little (1971) 73-N, 73-E Graphic(PDF) Shapefiles Pinus strobiformis southwestern white pine Little (1971) 72-W, 72-N Graphic(PDF) Shapefiles Pinus taeda loblolly pine Little (1971) 75-E Graphic(PDF) Shapefiles Pinus teocote Twisted leaves pine; Aztec pine Critchfield and Little (1966) 53 Graphic(PDF) Shapefiles Pinus torreyana Torrey pine Little (1971) 76-W Graphic(PDF) Shapefiles Pinus tropicalis tropical pine Critchfield and Little (1966) 26 Graphic(PDF) Shapefiles Pinus virginiana Virginia pine Little (1971) 77-E Graphic(PDF) Shapefiles Pinus washoensis Washoe pine Little (1971) 78-W Graphic(PDF) Shapefiles Piscidia piscipula Florida fishpoison tree Little (1978) 229 Graphic(PDF) Shapefiles Pisonia rotundata pisonia Little (1978) 230 Graphic(PDF) Shapefiles Pistacia texana Texas pistache Little (1976) 108 Graphic(PDF) Shapefiles Pithecellobium flexicaule ebony blackbead Little (1976) 110-N, 110-SW Graphic(PDF) Shapefiles Pithecellobium guadalupense Guadeloupe blackbead Little (1978) 231 Graphic(PDF) Shapefiles Pithecellobium pallens huajillo Little (1976) 111-N, 111-SW Graphic(PDF) Shapefiles Pithecellobium unguis-cati catclaw blackbead Little (1978) 232 Graphic(PDF) Shapefiles Planera aquatica planertree Little (1977) 94 Graphic(PDF) Shapefiles Platanus occidentalis American sycamore Little (1971) 147-W, 147-E, 147-N Graphic(PDF) Shapefiles Platanus racemosa California sycamore Little (1976) 112 Graphic(PDF) Shapefiles Platanus wrightii Arizona sycamore Little (1976) 113 Graphic(PDF) Shapefiles Populus angustifolia narrowleaf cottonwood Little (1976) 114 Graphic(PDF) Shapefiles Populus arizonica Arizona cottonwood Little (1976) 115 Graphic(PDF) Shapefiles Populus balsamifera balsam poplar Little (1971) 148-N, 148-W, 148-E Graphic(PDF) Shapefiles Populus deltoides eastern cottonwood Little (1971) 149-W,149-E Graphic(PDF) Shapefiles Populus fremontii Fremont cottonwood Little (1971) 150-W Graphic(PDF) Shapefiles Populus grandidentata bigtooth aspen Little (1971) 152-N, 152-E Graphic(PDF) Shapefiles Populus heterophylla swamp cottonwood Little (1971) 151-E Graphic(PDF) Shapefiles Populus hinckleyana Hinckley cottonwood Little (1976) 116 Graphic(PDF) Shapefiles Populus tremuloides quaking aspen Little (1971) 154-W, 154-E, 154-N Graphic(PDF) Shapefiles Populus trichocarpa black cottonwood Little (1971) 153-W, 153-N Graphic(PDF) Shapefiles Prosopis juliflora mesquite Little (1976) 118-N, 118-SW Graphic(PDF) Shapefiles Prosopis pubescens screwbean mesquite Little (1976) 117 Graphic(PDF) Shapefiles Prunus alleghaniensis Allegheny plum Little (1977) 96 Graphic(PDF) Shapefiles Prunus americana American plum Little (1976, 1977) 119-NW, 119-SW, 95-NE, 95-SE Graphic(PDF) Shapefiles Prunus angustifolia Chickasaw plum Little (1976, 1977) 120, 97 Graphic(PDF) Shapefiles Prunus caroliniana Carolina laurelcherry Little (1977) 98 Graphic(PDF) Shapefiles Prunus emarginata bitter cherry Little (1976) 122-N, 122-W Graphic(PDF) Shapefiles Prunus fremontii desert apricot Little (1976) 121 Graphic(PDF) Shapefiles Prunus hortulana hortulan plum Little (1977) 99 Graphic(PDF) Shapefiles Prunus ilicifolia hollyleaf cherry Little (1976) 123 Graphic(PDF) Shapefiles Prunus lyonii Catalina cherry Little (1976) 124 Graphic(PDF) Shapefiles Prunus mexicana Mexican plum Little (1977) 100-N, 100-SE Graphic(PDF) Shapefiles Prunus munsoniana wildgoose plum Little (1977) 101 Graphic(PDF) Shapefiles Prunus myrtifolia West Indies cherry Little (1978) 233 Graphic(PDF) Shapefiles Prunus nigra Canada plum Little (1977) 102 Graphic(PDF) Shapefiles Prunus pensylvanica pin cherry Little (1976, 1977) 125-N, 125-NW, 103-N, 103-NE Graphic(PDF) Shapefiles Prunus serotina black cherry Little (1971) 155-N, 155-W, 155-E Graphic(PDF) Shapefiles Prunus subcordata Klamath plum Little (1976) 126 Graphic(PDF) Shapefiles Prunus umbellata flatwoods plum Little (1977) 105 Graphic(PDF) Shapefiles Prunus virginiana common chokecherry Little (1976, 1977) 127-N, 127-NW, 127-SW, 104-N, 104-NE Graphic(PDF) Shapefiles Pseudotsuga macrocarpa bigcone Douglas fir Little (1971) 79-W Graphic(PDF) Shapefiles Pseudotsuga menziesii Douglas fir Little (1971) 80-W, 80-N Graphic(PDF) Shapefiles Pseudophoenix sargentii buccaneer palm Little (1978) 234 Graphic(PDF) Shapefiles Psidium longipes long stalk stopper Little (1978) 235 Graphic(PDF) Shapefiles Ptelea crenulata California hoptree Little (1976) 129 Graphic(PDF) Shapefiles Ptelea trifoliata common hoptree Little (1976) 128-N, 128-SW Graphic(PDF) Shapefiles Quercus agrifolia California live oak Little (1971) 156-W Graphic(PDF) Shapefiles Quercus ajoensis Ajo oak Little (1976) 130 Graphic(PDF) Shapefiles Quercus alba white oak Little (1971) 157-E Graphic(PDF) Shapefiles Quercus arizonica Arizona white oak Little (1976) 131 Graphic(PDF) Shapefiles Quercus arkansana Arkansas oak Little (1977) 107 Graphic(PDF) Shapefiles Quercus bicolor swamp white oak Little (1971) 159-E Graphic(PDF) Shapefiles Quercus chapmanii Chapman oak Little (1977) 108 Graphic(PDF) Shapefiles Quercus chrysolepis canyon live oak Little (1971) 158-W Graphic(PDF) Shapefiles Quercus coccinea scarlet oak Little (1971) 161-E Graphic(PDF) Shapefiles Quercus douglasii blue oak Little (1971) 160-W Graphic(PDF) Shapefiles Quercus dunnii Dunn oak Little (1976) 132 Graphic(PDF) Shapefiles Quercus durandii Durand oak Little (1977) 109 Graphic(PDF) Shapefiles Quercus ellipsoidalis northern pin oak Little (1971) 163-E Graphic(PDF) Shapefiles Quercus emoryi Emory oak Little (1971) 162-W Graphic(PDF) Shapefiles Quercus engelmannii Engelmann oak Little (1976) 133 Graphic(PDF) Shapefiles Quercus falcata southern red oak Little (1971) 165-E Graphic(PDF) Shapefiles Quercus gambelii Gambel oak Little (1971) 164-W Graphic(PDF) Shapefiles Quercus garryana Oregon white oak Little (1971) 166-W Graphic(PDF) Shapefiles Quercus georgiana Georgia oak Little (1977) 110 Graphic(PDF) Shapefiles Quercus glaucoides Lacey oak Little (1976) 134 Graphic(PDF) Shapefiles Quercus graciliformis Chisos oak Little (1976) 135 Graphic(PDF) Shapefiles Quercus gravesii Graves oak incl. Q. tardifolia (Muller) lateleaf oak Little (1976) 136 Graphic(PDF) Shapefiles Quercus grisea gray oak Little (1976) 137 Graphic(PDF) Shapefiles Quercus havardii Havard oak Little (1976) 138 Graphic(PDF) Shapefiles Quercus hypoleucoides silverleaf oak Little (1976) 139 Graphic(PDF) Shapefiles Quercus ilicifolia bear oak Little (1977) 111 Graphic(PDF) Shapefiles Quercus imbricaria shingle oak Little (1977) 112 Graphic(PDF) Shapefiles Quercus incana bluejack oak Little (1977) 113 Graphic(PDF) Shapefiles Quercus kelloggii California black oak Little (1971) 167-W Graphic(PDF) Shapefiles Quercus laevis turkey oak Little (1977) 114 Graphic(PDF) Shapefiles Quercus laurifolia laurel oak Little (1971) 168-E Graphic(PDF) Shapefiles Quercus lobata California white oak Little (1971) 170-W Graphic(PDF) Shapefiles Quercus lyrata overcup oak Little (1971) 169-E Graphic(PDF) Shapefiles Quercus macdonaldii McDonald oak Little (1976) 140 Graphic(PDF) Shapefiles Quercus macrocarpa bur oak Little (1971) 172-W, 172-E Graphic(PDF) Shapefiles Quercus marilandica blackjack oak Little (1971) 171-E Graphic(PDF) Shapefiles Quercus michauxii swamp chestnut oak Little (1971) 174-E Graphic(PDF) Shapefiles Quercus mohriana Mohrs oak Little (1976) 141 Graphic(PDF) Shapefiles Quercus muehlenbergii chinkapin oak Little (1971) 173-W, 173-E Graphic(PDF) Shapefiles Quercus myrtifolia myrtle oak Little (1977) 115 Graphic(PDF) Shapefiles Quercus nigra water oak Little (1971) 175-E Graphic(PDF) Shapefiles Quercus nuttallii Nuttall oak Little (1971) 176-E Graphic(PDF) Shapefiles Quercus oblongifolia Mexican blue oak Little (1976) 142 Graphic(PDF) Shapefiles Quercus oglethorpensis Oglethorpe oak Little (1977) 116 Graphic(PDF) Shapefiles Quercus palustris pin oak Little (1971) 177-E Graphic(PDF) Shapefiles Quercus phellos willow oak Little (1971) 178-E Graphic(PDF) Shapefiles Quercus prinus chestnut oak Little (1971) 179-E Graphic(PDF) Shapefiles Quercus pungens sandpaper oak Little (1976) 144 Graphic(PDF) Shapefiles Quercus rubra northern red oak Little (1971) 180-N, 180-E Graphic(PDF) Shapefiles Quercus rugosa netleaf oak Little (1976) 143-N, 143-SW Graphic(PDF) Shapefiles Quercus shumardii Shumard oak Little (1971) 181-W, 181-E Graphic(PDF) Shapefiles Quercus stellata post oak Little (1971) 182-W, 182-E Graphic(PDF) Shapefiles Quercus tomentella island live oak Little (1976) 145 Graphic(PDF) Shapefiles Quercus toumeyi Toumey oak Little (1976) 146 Graphic(PDF) Shapefiles Quercus turbinella shrub live oak Little (1976) 147 Graphic(PDF) Shapefiles Quercus velutina black oak Little (1971) 183-E Graphic(PDF) Shapefiles Quercus virginiana live oak Little (1971) 184-N, 184-W, 184-E Graphic(PDF) Shapefiles Quercus wislizeni interior live oak Little (1976) 148 Graphic(PDF) Shapefiles Rapanea punctata Florida rapanea Little (1978) 236 Graphic(PDF) Shapefiles Reynosia septentrionalis darling plum Little (1978) 237 Graphic(PDF) Shapefiles Rhamnus betulaefolia birchleaf buckthorn Little (1976) 149 Graphic(PDF) Shapefiles Rhamnus californica California buckthorn Little (1976) 151 Graphic(PDF) Shapefiles Rhamnus caroliniana Carolina buckthorn Little (1977) 117-N,117-SE Graphic(PDF) Shapefiles Rhamnus crocea hollyleaf buckthorn Little (1976) 150-NW, 150-SW Graphic(PDF) Shapefiles Rhamnus purshiana cascara buckthorn Little (1971) 185-W, 185-N Graphic(PDF) Shapefiles Rhizophora mangle mangrove Little (1971, 1978) 186-N, 186-E,238 Graphic(PDF) Shapefiles Rhododendron catawbiense Catawba rhododendron Little (1977) 118 Graphic(PDF) Shapefiles Rhododendron macrophyllum Pacific rhododendron Little (1976) 152 Graphic(PDF) Shapefiles Rhododendron maximum rosebay rhododendron Little (1977) 119 Graphic(PDF) Shapefiles Rhus choriophylla Mearns sumac Little (1976) 153 Graphic(PDF) Shapefiles Rhus copallina shining sumac Little (1977) 120-SE, 120-N Graphic(PDF) Shapefiles Rhus glabra smooth sumac Little (1976, 1977) 155-NW, 155-SW, 121-NE,121-SE Graphic(PDF) Shapefiles Rhus integrifolia lemonade sumac Little (1976) 154 Graphic(PDF) Shapefiles Rhus kearneyi Kearney sumac Little (1976) 156 Graphic(PDF) Shapefiles Rhus lanceolata prairie sumac Little (1976) 158-N, 158-SW Graphic(PDF) Shapefiles Rhus laurina laurel sumac Little (1976) 157 Graphic(PDF) Shapefiles Rhus microphylla littleleaf sumac Little (1976) 159 Graphic(PDF) Shapefiles Rhus ovata sugar sumac Little (1976) 160 Graphic(PDF) Shapefiles Rhus typhina staghorn sumac Little (1977) 122-N, 122-NE Graphic(PDF) Shapefiles Robinia kelseyi Kelsey locust Little (1977) 123 Graphic(PDF) Shapefiles Robinia neomexicana New Mexican locust Little (1976) 162 Graphic(PDF) Shapefiles Robinia pseudoacacia black locust Little (1971) 187-E Graphic(PDF) Shapefiles Robinia viscosa clammy locust Little (1977) 124 Graphic(PDF) Shapefiles Roystonea elata Florida royalpalm Little (1978) 239 Graphic(PDF) Shapefiles Sabal mexicana Mexican palmetto Little (1976) 161-N, 161-SW Graphic(PDF) Shapefiles Sabal minor dwarf palmetto Little (1977) 125 Graphic(PDF) Shapefiles Sabal palmetto cabbage palmetto Little (1971) 188-E Graphic(PDF) Shapefiles Salix alaxensis feltleaf willow Little (1976) 163-N Graphic(PDF) Shapefiles Salix amygdaloides peachleaf willow Little (1971) 189-W,189-E,189-N Graphic(PDF) Shapefiles Salix arbusculoides peachleaf willow Little (1976) 164-N Graphic(PDF) Shapefiles Salix bebbiana Bebb willow Little (1976, 1977) 165-N, 165-NW, 165-SW, 127-N, 127-NE Graphic(PDF) Shapefiles Salix bonplandiana Bonpland willow Little (1976) 166-N, 166-SW Graphic(PDF) Shapefiles Salix caroliniana Coastal Plain willow Little (1977) 126 Graphic(PDF) Shapefiles Salix discolor pussy willow Little (1976, 1977) 167-N, 167-W, 128-N, 128-NE Graphic(PDF) Shapefiles Salix exigua coyote willow Little (1976, 1977) 168-NW, 168-SW, 168-N, 129-NE, 129-SE, 129-N Graphic(PDF) Shapefiles Salix floridana Florida willow Little (1977) 130 Graphic(PDF) Shapefiles Salix fluviatilis river willow Little (1976) 169 Graphic(PDF) Shapefiles Salix geyeriana Geyer willow Little (1976) 170 Graphic(PDF) Shapefiles Salix hindsiana Hinds willow Little (1976) 171 Graphic(PDF) Shapefiles Salix hookeriana Hooker willow Little (1976) 172-N, 172-W Graphic(PDF) Shapefiles Salix laevigata red willow Little (1976) 176 Graphic(PDF) Shapefiles Salix lasiandra Pacific willow Little (1976) 173-N, 173-W Graphic(PDF) Shapefiles Salix lasiolepis arroyo willow Little (1976) 174-NW, 174-SW Graphic(PDF) Shapefiles Salix lucida shining willow Little (1977) 131-N, 131-NE Graphic(PDF) Shapefiles Salix mackenzieana Mackenzie willow Little (1976) 175-N, 175-W Graphic(PDF) Shapefiles Salix nigra black willow Little (1971, 1976) 190-N,190-W,190-E, 177-N, 177-NW, 177-SW Graphic(PDF) Shapefiles Salix pellita satiny willow Little (1977) 132-N, 132-NE Graphic(PDF) Shapefiles Salix petiolaris meadow willow Little (1976, 1977) 178-N, 178-NW, 133-N, 133-NE Graphic(PDF) Shapefiles Salix pyrifolia balsam willow Little (1977) 134-N, 134-NE Graphic(PDF) Shapefiles Salix scouleriana Scouler willow Little (1976) 179-N, 179-W Graphic(PDF) Shapefiles Salix sericea silky willow Little (1977) 135-N, 135-NE Graphic(PDF) Shapefiles Salix sessilifolia northwest willow Little (1976) 180 Graphic(PDF) Shapefiles Salix sitchensis Sitka willow Little (1976) 182-N, 182-W Graphic(PDF) Shapefiles Salix taxifolia yewleaf willow Little (1976) 183-N, 183-SW Graphic(PDF) Shapefiles Salix tracyi Tracy willow Little (1976) 181 Graphic(PDF) Shapefiles Sambucus callicarpa Pacific red elder Little (1976) 184-N, 184-W Graphic(PDF) Shapefiles Sambucus canadensis American elder Little (1977) 136-NE, 136-SE, 136-N Graphic(PDF) Shapefiles Sambucus glauca blueberry elder Little (1976) 185-NW, 185-SW Graphic(PDF) Shapefiles Sambucus melanocarpa blackbead elder Little (1976) 187 Graphic(PDF) Shapefiles Sambucus mexicana Mexican elder Little (1976) 186-N, 186-W Graphic(PDF) Shapefiles Sambucus velutina velvet elder Little (1976) 188 Graphic(PDF) Shapefiles Sapium biloculare jumping bean sapium Little (1976) 190 Graphic(PDF) Shapefiles Sapindus drummondii western soapberry Little (1976, 1977) 189, 138 Graphic(PDF) Shapefiles Sapindus saponaria wingleaf soapberry Little (1977, 1978) 139, 240 Graphic(PDF) Shapefiles Sassafras albidum sassafras Little (1971) 191-E Graphic(PDF) Shapefiles Savia bahamensis maidenbush Little (1978) 241 Graphic(PDF) Shapefiles Schaefferia frutescens Florida boxwood Little (1978) 242 Graphic(PDF) Shapefiles Schoepfia chrysophylloides graytwig Little (1978) 243 Graphic(PDF) Shapefiles Sequoiadendron giganteum giant sequoia Little (1971) 82-W Graphic(PDF) Shapefiles Sequoia sempervirens redwood Little (1971) 81-W Graphic(PDF) Shapefiles Serenoa repens saw palmetto Little (1977) 137 Graphic(PDF) Shapefiles Shepherdia argentea silver buffaloberry Little (1977, 1976) 144,191-NW,191-SW Graphic(PDF) Shapefiles Simarouba glauca paradise tree Little (1978) 244 Graphic(PDF) Shapefiles Solanum erianthum mullein nightshade Little (1977, 1978) 140-N, 140-SE, 245 Graphic(PDF) Shapefiles Sophora affinis Texas sophora Little (1977) 145 Graphic(PDF) Shapefiles Sophora secundiflora mescalbean Little (1976) 192-N, 192-SW Graphic(PDF) Shapefiles Sorbus americana American mountain ash Little (1977) 141-N, 141-SE Graphic(PDF) Shapefiles Sorbus decora showy mountain ash Little (1977) 142-N, 142-NE Graphic(PDF) Shapefiles Sorbus scopulina Greene mountain ash Little (1976) 193-N, 193-W Graphic(PDF) Shapefiles Sorbus sitchensis Sitka mountain ash Little (1976) 194-N, 194-W Graphic(PDF) Shapefiles Staphylea bolanderi Sierra bladdernut Little (1976) 195 Graphic(PDF) Shapefiles Staphylea trifolia American bladdernut Little (1977) 143-NE, 143-SE Graphic(PDF) Shapefiles Stewartia malacodendron Virginia stewartia Little (1977) 146 Graphic(PDF) Shapefiles Stewartia ovata mountain stewartia Little (1977) 147 Graphic(PDF) Shapefiles Styrax americana American snowbell Little (1977) 148 Graphic(PDF) Shapefiles Styrax grandifolia bigleaf snowbell Little (1977) 149 Graphic(PDF) Shapefiles Styrax platanifolia sycamore leaf snowbell Little (1977) 150 Graphic(PDF) Shapefiles Suriana maritima baycedar Little (1978) 246 Graphic(PDF) Shapefiles Swietenia mahagoni West Indies mahogany Little (1978, 1971) 247, 192-E Graphic(PDF) Shapefiles Symplocos tinctoria common sweetleaf Little (1977) 151 Graphic(PDF) Shapefiles Taxodium distichum baldcypress Little (1971) 84-E Graphic(PDF) Shapefiles Taxodium mucronatum Montezuma baldcypress Little (1971) 83-W, 83-N Graphic(PDF) Shapefiles Taxus brevifolia Pacific yew Little (1971) 86-W, 86-N Graphic(PDF) Shapefiles Taxus canadensis Canada yew Little (1971) 86.1-N, 86.1-E Graphic(PDF) Shapefiles Taxus floridana Florida yew Little (1971) 85-E Graphic(PDF) Shapefiles Tetrazygia bicolor Florida tetrazygia Little (1978) 248 Graphic(PDF) Shapefiles Thrinax morrisii key thatchpalm Little (1978) 249 Graphic(PDF) Shapefiles Thrinax radiata Florida thatchpalm Little (1978) 250 Graphic(PDF) Shapefiles Thuja occidentalis northern white cedar Little (1971) 89-N, 89-E Graphic(PDF) Shapefiles Thuja plicata western redcedar Little (1971) 90-W, 90-N Graphic(PDF) Shapefiles Tilia americana American basswood Little (1971) 193-E Graphic(PDF) Shapefiles Tilia caroliniana Carolina basswood Little (1977) 153 Graphic(PDF) Shapefiles Tilia heterophylla white basswood Little (1971) 194-E Graphic(PDF) Shapefiles Torreya californica California torreya Little (1971) 87-W Graphic(PDF) Shapefiles Torreya taxifolia Florida torreya Little (1971) 88-E Graphic(PDF) Shapefiles Toxicodendron vernix poison sumac Little (1977) 152-NE, 152-SE Graphic(PDF) Shapefiles Trema lamarckiana West Indies trema Little (1978) 251 Graphic(PDF) Shapefiles Trema micrantha Florida trema Little (1978) 252 Graphic(PDF) Shapefiles Tsuga canadensis eastern hemlock Little (1971) 91-N, 91-E Graphic(PDF) Shapefiles Tsuga caroliniana Carolina hemlock Little (1971) 94-E Graphic(PDF) Shapefiles Tsuga heterophylla western hemlock Little (1971) 92-W, 92-N Graphic(PDF) Shapefiles Tsuga mertensiana mountain hemlock Little (1971) 93-W, 93-N Graphic(PDF) Shapefiles Ulmus alata winged elm Little (1971) 195-E Graphic(PDF) Shapefiles Ulmus americana American elm Little (1971) 196-N, 196-W, 196-E Graphic(PDF) Shapefiles Ulmus crassifolia cedar elm Little (1971) 197-E Graphic(PDF) Shapefiles Ulmus rubra slippery elm Little (1971) 198-W, 198-E Graphic(PDF) Shapefiles Ulmus serotina September elm Little (1971) 197.1-E Graphic(PDF) Shapefiles Ulmus thomasii rock elm Little (1971) 200-E Graphic(PDF) Shapefiles Umbellularia californica California laurel Little (1971) 199-W Graphic(PDF) Shapefiles Ungnadia speciosa Mexican buckeye Little (1976) 196 Graphic(PDF) Shapefiles Vaccinium arboreum tree sparkleberry Little (1977) 154 Graphic(PDF) Shapefiles Vauquelinia californica Torrey vauquelinia Little (1976) 197 Graphic(PDF) Shapefiles Vauquelinia pauciflora fewflower vauquelinia Little (1976) 198 Graphic(PDF) Shapefiles Viburnum lentago nannyberry Little (1976, 1977) 199, 155 Graphic(PDF) Shapefiles Viburnum nudum possumhaw viburnum Little (1977) 156 Graphic(PDF) Shapefiles Viburnum obovatum Walter viburnum Little (1977) 157 Graphic(PDF) Shapefiles Viburnum prunifolium blackhaw Little (1977) 158 Graphic(PDF) Shapefiles Viburnum rufidulum rusty blackhaw Little (1977) 160 Graphic(PDF) Shapefiles Viburnum trilobum American cranberrybush Little (1976, 1977) 200,159-N,159-NE Graphic(PDF) Shapefiles Washingtonia filifera California washingtonia Little (1976) 201 Graphic(PDF) Shapefiles Ximenia americana tallowwood Little (1978) 253 Graphic(PDF) Shapefiles Yucca aloifolia aloe yucca Little (1977) 161 Graphic(PDF) Shapefiles Yucca brevifolia Joshua tree Little (1976) 202 Graphic(PDF) Shapefiles Yucca carnerosana Carneros yucca Little (1976) 203 Graphic(PDF) Shapefiles Yucca elata soaptree yucca Little (1976) 204 Graphic(PDF) Shapefiles Yucca faxoniana Faxon yucca Little (1976) 205 Graphic(PDF) Shapefiles Yucca gloriosa moundlily yucca Little (1977) 162 Graphic(PDF) Shapefiles Yucca mohavensis Mohave yucca Little (1976) 206 Graphic(PDF) Shapefiles Yucca rostrata beaked yucca Little (1976) 207 Graphic(PDF) Shapefiles Yucca schottii Schotts yucca Little (1976) 208 Graphic(PDF) Shapefiles Yucca torreyi Torrey yucca Little (1976) 209 Graphic(PDF) Shapefiles Yucca treculeana Trecul yucca Little (1976) 210 Graphic(PDF) Shapefiles Zanthoxylum americanum common prickly ash Little (1977) 163 Graphic(PDF) Shapefiles Zanthoxylum clava-herculis Hercules club Little (1977) 165 Graphic(PDF) Shapefiles Zanthoxylum coriaceum Biscayne prickly ash Little (1978) 254 Graphic(PDF) Shapefiles Zanthoxylum fagara lime prickly ash Little (1977, 1978) 164-N, 164-SE, 255 Graphic(PDF) Shapefiles Zanthoxylum flavum West Indies satinwood Little (1978) 256 Graphic(PDF) Shapefiles Zanthoxylum hirsutum Texas Hercules club Little (1977) 166

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