Checklist of Online Vegetation and Plant Distribution Maps

North America Landcover / JRC Ispra (Downloadable datasets in various formats -- in "Products" section)

North American Pollen Atlas Vegetation Maps

Northern Hemisphere Plant Disjunctions ... Principle Areas where Tertiary Relict Floras Occur, and Tertiary Land Bridges between Eurasia and N America

Prevailing Vegetation (Inset on: North America -- Political. In: Times Survey Atlas of the World, 1922)

Rocky Mountain Subalpine-Montane Fen

Western Lichen Atlas

Land Use, Fisheries & Erosion (The Great Lakes Atlas)

The Presettlement Forests of the Great Lakes States in the Mid-1800's as Reconstructed from Records of the U.S. General Land Office Survey; The Modern Forests of the Great Lakes States (1977 to 1983) as Reconstructed from the U.S. Forest Service's Fourth Forest Inventory; Map Showing the Changes in Forest Types between Presettlement and Modern Maps; Great Lakes States Pollen Sites Showing Modern Major Pollen Types Measured at the Tops of Sediment Cores in Lakes and Bogs; Great Lakes States Pollen Sites Showing Major Pollen Types Just Prior to the Settlement Horizon (about 150 Years Ago); Great Lakes States Pollen Sites Showing Major Pollen Types about 1,000 Years Ago

Canada Temperate and Boreal Forest and Protected Areas (Map 5 UNEP-WCMC)

Canada Vegetation Map

Canada Vegetation Regions

Distribution, Pseudotsuga menziesii (Mirb.) Franco var. glauca (Beissn.) Franco

Distribution of Invasive Plant Species in Canada

[Map of the Prairie in the U.S. and Canada]

Mountains and Mountain Forests North America (Covers U.S. and Canada)

NatureServe Explorer: an Online Encyclopedia of Life (Includes state/provincial-level distribution maps)

Poison Ivy, Western Poison Oak, Poison Sumac (Agriculture and Agri-Food Canada - Publication No 1699 by Gerald A. Mulligan. Includes photos and distribution maps)

Alberta Vegetation Zones

Canada : Hood River Region

Coot's Paradise Vegetation Coverage, 1971

Coot's Paradise Vegetation Coverage, 1993

Greenland and Iceland Landcover / JRC Ispra (Downloadable datasets in various formats -- in "Products" section)

Carta agrícola : [México] / A. García Cubas (Shows forested areas. In: Atlas pintoresco e histórico de los Estados Unidos Mexicanos, 1885, pl. VIII)

Coryphantha Homepage Distribution Maps by Reto F. Dicht

Madro-Tertiary Geoflora Relict Tehuacán mexical (Mexican Chaparral) Distribution under Wet-summer Climates in Mexico

Mapa forestal de la República Mexicana

Mexico : vegetación natural predominante y áreas naturales protegidas

Mexico : vegetation (INEGI)

Mountains and Mountain Forests Central America (Covers also Mexico, UNEP-WCMC)

Principales tipos de vegetación en México

Tipos de vegetacion de Mexico Zonas Ecologicas

United States of America and Mexico Temperate Forest and Protected Areas (Map 6 UNEP-WCMC)

Baja Peninsula : Vegetation Regions

Alien Plant Invaders of Native Areas (Includes state-level distribution maps for some plants)

Ceanothus distribution map[s] for North America [i.e., United States]

Distribution, Pseudotsuga menziesii (Mirb.) Franco var. glauca (Beissn.) Franco

Land Use History of North America (LUHNA) (USGS)

[Map of the Prairie in the U.S. and Canada]

Map Showing Life Zones of the United States [C. Hart Merriam, 1895]

Map Showing in Five Degrees of Density the Distribution of Woodland within the Territory of the United States, 1873 / compiled by Wm. H. Brewer. (Statistical Atlas of the United States Based on the Results of the Ninth Census 1870, pl. III-IV)

Mich GIS Prototype (Fungi distribution maps)

Midwestern Wetland Flora (Distribution maps covering the U.S.)

Mountains and Mountain Forests North America (Covers U.S. and Canada)

National Atlas of the United States of America, 1970 (p. 89, 90-92, 154-156, 157-160 - vegetation, forests, land use)

NatureServe Explorer: an Online Encyclopedia of Life (Includes state/provincial-level distribution maps)

Orchids of Wisconsin (Wisc. and U.S. distribution maps)

Poison Ivy, Western Poison Oak, Poison Sumac (Agriculture and Agri-Food Canada - Publication No 1699 by Gerald A. Mulligan. Includes photos and distribution maps)

Prairie in National Park Units in the Great Plains

A Synonymized Checklist of the Vascular Flora of the United States, Puerto Rico, and the Virgin Islands

United States : Invasive Species

United States of America and Mexico Temperate Forest and Protected Areas (Map 6 UNEP-WCMC)

USGS-NPS Vegetation Mapping Program (Classifies, describes and maps vegetation in National Parks. Includes air photos for some parks)

Woodland : This Map Shows the Percentage of Land per County Recorded in the 1987 Census of Agriculture as Being Woodland

Alaska Arctic Tundra Vegetation Map : Vegetation Units

Circumpolar Arctic Geobotanical Atlas

Eastern Russia and Alaska Temperate and Boreal Forest and Protected Areas (Map 1 UNEP-WCMC)

Kotzebue Sound Subregion Vegetation

Vegetation Norton Sound Subregion

Vegetation Map of Tok, Alaska

Arizona GAP Products (FTP directory)

Northern Arizona Flora

Tuzigoot National Monument (USGS-NPS Vegetation Mapping Program)

Arkansas Biodiversity - Vascular Plants (Distribution maps for the Arkansas Flora)

Arkansas GAP Products (FTP directory)

National Gap Analysis Program (Biodiversity status of vegetation communities and vertebrates, land cover/land use)

Calflora (Includes county-level distribution maps)

CalFlora: Texas A&M Bioinformatics Working Group's full-text indexing of the CalFlora Database

California Digital Conservation Atlas (California Resources Agency; layers include Landcover bioregions, USDA ecoregions, Coarse landcover, Fine landcover, CNDDB species by quad)

California Gap Analysis Project

California GAP Products (FTP Directory)

California Hardwoods

California Hardwoods Rangeland Monitoring Project

California Vascular Plants: Checklist (with Distribution Maps) from the Jepson Manual

Climate Change and the Future of California's Endemic Flora : California Floristic Province; Study Area and Maxent Diversity Projections of the Best known 591 Species; Projected Present Diversity; Projected Diversity 80 Years from Now Modeled with Increasing Amounts of Future Climate Change

Consortium of California Herbaria: Maps of Specimen Distributions Using BerkeleyMapper

County-level Specimen-vouchered Distribution Maps

Distribution Maps and Species Lists of All Plants Covered by the Jepson Manual (Includes bioregion distribution maps)

Generalized Types and Age Classes of Timber Stands : Redwood--Douglas-fir Subregion, California

Identification of Vegetation State-and-transition Domains in California's Hardwood Rangelands

Jepson Online Interchange : Specimen-vouchered County Maps; Maps and Treatments from The Jepson Manual

Keys to Juncus and Lazula of California by Barbara Ertter

Land Classification of Eastern California, 1877 (Shows timber areas; Geographical Surveys West of the 100th Meridian (U.S.) Atlas sheet 65(D). Covers W 117°52’30”--W 116°30’/N 36°30’--N 35°40’)

Land Classification Map of Parts of Eastern Cal. and Western Nev., 1877 (Shows timber areas; Geographical Surveys West of the 100th Meridian (U.S.) Atlas sheets 47(B) & 47(D). Covers W 120°37’30”--W 119°15’/N 40°40’--N 38°55’)

Monitoring Sudden Oak Death in California (Includes distribution and county SOD maps)

National Gap Analysis Program (Biodiversity status of vegetation communities and vertebrates, land cover/land use)

Pinyon Species, Juniper Species, Mountain Mahogany Species

Point Distribution Mapping (Berkeley Natural History Museum) Datasets

Potential Riparian Plant Species Richness

Present Diversity from Range Maps for All California Floristic Province Endemic Species; Projected Present Diversity from the Multi-level Generalized Linear Model for All Special with >2 Specimens (2068); Movement of Species Geographic Centroids Based on HadCM3 Simulations Using A1F1 Emission Scenario 80 Years in the Future and Assuming Species Can Move; Future Patterns of Range Size Changes across Increasing Levels of Climate Change in Which Species Can Move

Riparian Zone Hardwoods

Statewide & County Maps of Vegetation Change with Cause for the First Statewide Cycle (California Land Cover Mapping & Monitoring Program (LCMMP))

Statewide Map of 13 Land Cover Classes, Aggregated from CWHR classes (Derived from FRAP multi-source data, CDF)

Statewide Weed Maps (County-level distribution maps, California Invasive Plant Council)

Vegetation in the Northwest Ecoregion

The Wieslander Vegetation Type Map (VTM)

Map of Bolsa Chica Restoration Alternative

Forest Vegetation, Jackson Demonstration State Forest

Land Classification Map of Part of Southern California, 1879 (Shows timber areas; Geographical Surveys West of the 100th Meridian (U.S.) Atlas sheet 73(A). Covers W 119°15’--W 117°52’30”/N 35°40’--N 34°50’)

UCD McLaughlin Reserve : Vegetation Map

Holland Natural Communities Map of the Mojave Desert, California

UCSC Landels-Hill Big Creek Reserve : Vegetation Map

Local Vegetation, Mt. George Preserve

UCD McLaughlin Reserve : Vegetation Map

UCD Quail Ridge Reserve : Vegetation Map

Land Classification Map of Part of North Central California, 1881 (Shows timber areas; Geographical Surveys West of the 100th Meridian (U.S.) Atlas sheet 47(A). Covers W 122°--W 120°37’30”/N 40°40’--N 39°50’)

Land Classification Map of Parts of N.E. California & N.W. Nevada, 1880 (Shows timber areas; Geographical Surveys West of the 100th Meridian (U.S.) Atlas sheet 38(D). Covers W 120°37’30”--W 119°15’/N 41°30’--N 40°40’)

[Northern California Forested Area]

UCI San Joaquin Fresh Water Marsh Reserve : Habitat Map

Russian River Watershed GIS (NOAA Fisheries & Circuit Rider Productions, Inc. "Map gallery" includes: 1942 Middle Reach riparian habitat & landuse; Middle reach 1992 riparian habitat, succession status & land use; Middle Reach riparian habitat loss 1940-1992)

BADGER (Outlines vegetation areas)

San Francisco Estuary Invasive Spartina Project

The San Jacinto Mountains MACROSCOPE Online GIS application can create zoomable vegetation and other maps

Jasper Ridge Biological Preserve Online GIS System

Sierra Nevada Vegetation

Land Classification Map of Part of S.W. California, 1881 (Shows timber areas, Los Angeles, Kern and Ventura counties; Geographical Surveys West of the 100th Meridian (U.S.) Atlas sheet 73(C))

South Fork of the Kern River and Surrounding Meadow Plant Communities from 1995 Aerial Photographs

South Fork of the Kern River at Monache Meadow, Sierra Nevada : Effects of Wet Meadow Riparian Vegetation on Streambank Erosion

UCD McLaughlin Reserve : Vegetation Map

Yosemite National Park (USGS-NPS Vegetation Mapping Program) (Classifies, describes and maps vegetation in National Parks. Includes air photos for some parks)

Changes in Forest Cover : [Colorado]

Economical Features of Central Colorado, 1876 (Shows timber areas; Geographical Surveys West of the 100th Meridian (U.S.) Atlas sheet 61(B). Covers W 106°52'30"--W 105°30'/N 39°--N 38°10’)

Economic Features of Parts of Southern Colorado and Northern New Mexico, 1877 (Shows timber areas; Geographical Surveys West of the 100th Meridian (U.S.) Atlas sheet 70(A). Covers W 105°30'--W 104°07'30"/N 37°20'--N 36°30’)

Economic Features of Parts of South'n. Colorado and North'n. New Mexico, 1878 (Shows timber areas; Geographical Surveys West of the 100th Meridian (U.S.) Atlas sheet 69(B). Covers W 106°52'30"--W 105°30'/N 37°20'--N 36°30’)

Economic Features of S.W. Colorado, San Juan Mining Region, 1877 (Shows timber areas; Geographical Surveys West of the 100th Meridian (U.S.) Atlas sheet 61(C). Covers W 107°57'--W 107°15'/N 38°07'--N 37°42’)

Economic map of Colorado / F.V. Hayden, 1881 (Geological and geographical atlas of Colorado and portions of adjacent territory, sheet III)

Land Classification Map of Part of Central Colorado, 1878 (Shows timber areas; Geographical Surveys West of the 100th Meridian (U.S.) Atlas sheet 62(A). Covers W 105°30'--W 104°07'30"/N 39°--N 38°10’)

Land Classification Map of Part of Central Colorado, 1879 (Shows timber areas; Geographical Surveys West of the 100th Meridian (U.S.) Atlas sheet 52(D). Covers W 106°52'30"--W 105°30'/N 39°50'--N 39°00’)

Land Classification Map of Part of South Western Colorado, 1878 (Shows timber areas; Geographical Surveys West of the 100th Meridian (U.S.) Atlas sheet 61(C). Covers W 108°15'--W 105°52'30"/N 38°10'--N 37°20’)

Land Classification Map of Part of South Western Colorado, 1879 (Shows timber areas; Geographical Surveys West of the 100th Meridian (U.S.) Atlas sheet 61(D). Covers W 106°52'30"--W 105°30'/N 38°10'--N 37°20’)

Land Classification Map of Part of Southern Colorado, 1878 (Shows timber areas; Geographical Surveys West of the 100th Meridian (U.S.) Atlas sheet 62(C). Covers W 105°30'--W 104°07'30"/N 38°10'--N 37°20’)

Distribution of Colorado Pinyon (Pinus edulis) Showing Location of Owl Canyon Isolate

Land Use and Land Cover in and around Rocky Mountain National Park

Atlas of Florida Vascular Plants

Southern Florida Pre-development Vegetation

Florida Coastal Everglades Long-term Ecological Research Sites

Florida : Everglades

Florida : Everglades Water Conservation Area

Vegetation Map of the "Hole-in-the-Donut" 1952

Vegetation Map of Atlanta, Georgia

Alien Species in Hawaii Distribution Maps

Hawaii Zones of Vegetation

Insular Scale Hydrologic Response: Kahoʻolawe, Hawaii Wahlstrom, E., K. Loague, and P.C. Kyriakidis, Hydrologic Response: Kaho'olawe, Hawaii (UCB only)

Invasion and Recovery of Vegetation after a Volcanic Eruption in Hawaii: Kilauea Iki

Vegetation Map : Kanaha Beach

Vegetation Map : Puʻuhonua o Honaunau (City of Refuge) National Historic Park, Hawaiʻi

Vegetation Map of Northeast Coastal Spray Zone of Kalaupapa National Park ...

[Idaho Rare Species] (Includes maps for selected species)

INVADERS Database System (exotic plant data including county-level distribution maps)

Land Classification Map of North-eastern Utah & South-eastern Idaho, 1878 (Shows timber areas; Geographical Surveys West of the 100th Meridian (U.S.) Atlas sheet 41(B). Covers W 112°22’30"--W 111°/N 42°20’--N 41°30’)

Land Classification Map of Part of South Eastern Idaho, 1881 (Shows timber areas; Geographical Surveys West of the 100th Meridian (U.S.) Atlas sheet 32(C). Covers W 113°45’--W 112°22’30”/N 43°10’--N 42°20’)

Land Classification Map of Part of South-eastern Idaho, 1879 (Shows timber areas; Geographical Surveys West of the 100th Meridian (U.S.) Atlas sheet 32(D). Covers W 111°22’30"--W 111°/N 43°10’--N 42°20’)

Parts of Southern Idaho & Northern Utah [Land Classification], 1880 (Shows timber areas; Geographical Surveys West of the 100th Meridian (U.S.) Atlas sheet 41(A). Covers W 113°45’--W 112°22'30"/N 42°20’--N 41°30’)

Scott's Bluff : [Vegetation]; Imperiled Associations [U.S.] by Bailey's Ecoregions (Province Level); Oak-hickory Forests of Southern Illinois (Castanea 59: 286-291)

Indiana Dunes National Seashore

Iowa : [1850s and 1990s Land Cover]

Louisiana GAP Products (FTP Directory)

[Maps of Louisiana Grasses]

Maine GAP Products (FTP Directory)

Baltimore Simulated Forest Land Cover Showing 200 Years of Urban Growth ...

Electronic Atlas of the Cape Cod Environment (Contains current and historic land use/land cover maps)

MICH Geographic Information System (MICH Fungal Bioinformatics Project)

Presettlement Vegetation of Kalamazoo County, Michigan

Mid-Atlantic Coastal Plain Ecoregional Plan 1999-2001 (PowerPoint)

True North: Mapping Minnesota's History (includes Pre-Settlement Vegetation, 1895; Native Food Sources (Wild Rice); and Forest Cover layers)

Voyageurs National Park, Minnesota : Plant Community Types of the Jack Pine - Black Spruce Forest System

Geographic Information System Map Showing Presettlement (1816) Land Cover along Navigation Reaches 25 and 26 of the Upper Mississippi River; Geographic Information System Map Showing Contemporary Land Cover along Navigation Reaches 25 and 26 of the Upper Mississippi River

Checklist of the Grasses of Montana (Includes some distribution maps)

INVADERS Database System (Exotic plant data including county-level distribution maps)

Montana GAP Products (FTP Directory)

Montana Natural Heritage Program (Includes county level distribution maps)

National Gap Analysis Program (Biodiversity status of vegetation communities and vertebrates, land cover/land use)

Montana Vegetation Types

Agate Fossil Beds National Monument (USGS-NPS Vegetation Mapping Program)

Scotts Bluff National Monument (USGS-NPS Vegetation Mapping Program)

Nevada GAP Products (FTP directory)

Nevada Mountain Atlas

Nevada Rare Plant Atlas

Atlas of the Flora of New England (Includes county-level distribution maps)

Invasive Plant Atlas of New England

Land-use History as Long-term, Broad-scale Disturbance: Regional Forest Dynamics in Central New England

Location of the New Jersey Pinelands

Economic Features, Part of Central New Mexico, 1877 (Shows timber areas; Geographical Surveys West of the 100th Meridian (U.S.) Atlas sheet 77(B). Covers W 106°52'30"--W 105°30'/N 35°40'--N 34°50’)

National Gap Analysis Program (Biodiversity status of vegetation communities and vertebrates, land cover/land use)

Land Classification Map of Part of Central New Mexico, 1879 (Shows timber areas; Geographical Surveys West of the 100th Meridian (U.S.) Atlas sheet 78(A). Covers W 105°30'--W 104°07'30"/N 35°40'--N 34°50’)]

Land Classification Map of Part of Central New Mexico, 1876 (Shows timber areas; Geographical Surveys West of the 100th Meridian (U.S.) Atlas sheet 69(D). Covers W 106°52'30"--W 105°30'/N 36°30'--N 35°40')

Land Classification Map of Part of Central New Mexico, 1878 (Shows timber areas; Geographical Surveys West of the 100th Meridian (U.S.) Atlas sheet 77(D). Covers W 106°52'30"--W 105°30'/N 34°50'--N 34°)

Land Classification Map of Part of Central New Mexico, 1882 (Shows timber areas; Geographical Surveys West of the 100th Meridian (U.S.) Atlas sheet 77. Covers W 108°15'--W 105°30'/N 35°40'--N 34°)

Land Classification Map of Part of North Central New Mexico, 1877 (Shows timber areas; Geographical Surveys West of the 100th Meridian (U.S.) Atlas sheet 70(C). Covers W 105°30'--W 104°07'30"/N 36°30'--N 35°40')

Land Classification Map of Part of Southern New Mexico, 1879 (Shows timber areas; Geographical Surveys West of the 100th Meridian (U.S.) Atlas sheet 84(B). Covers W 106°52'30'--W 105°30'/N 34°--N 33°10’)

Land Classification Map of Part of Southwestern New Mexico, 1881 (Shows timber areas; Geographical Surveys West of the 100th Meridian (U.S.) Atlas sheet 84. Covers W 108°15'--W 105°30'/N 34°--N 33°20’)

Land Classification Map of Part of Southwestern New Mexico, 1881 (Shows timber areas; Geographical Surveys West of the 100th Meridian (U.S.) Atlas sheet 84(C). Covers W 108°15'--W 106°52'30"/N 33°10'--N 32°20’)

New Mexico GAP Products (FTP directory)

New Mexico State University Weed Information (Includes weed distribution maps)

Changes in Montane Grassland Area 1935-1981 Jemez Mountain, New Mexico

Sevilleta Vegetation Map

New York GAP Products (FTP Directory)

Manhatta Map (Manhattan Island in 1609)

New York Metropolitan Flora Project / Brooklyn Botanic Garden (Includes distribution maps of woody plants within counties)

Vegetation and Anderson Level II Map Classes for Booker T. Washington National Monument

INVADERS Database System (Exotic plant data including county-level distribution maps)

Northwest U.S. GAP Products (FTP directory)

Algaeweb (Includes county distribution maps for freshwater dinoflagellates)

Ohio Forest Cover from 1940 - 1994

Oklahoma Vascular Plants Database

Aquatic Vegetation : Blue Lake, Oregon

Coquille Watershed Land Use and Land Cover

INVADERS Database System (Exotic plant data including county-level distribution maps)

Landscape Conservation Networks : North American Fire Learning Network (The Nature Conservancy) (Includes Bighorns Landscape, WY-MT; Jemez Mountains, NM; Middle Niobrara Nebraska Sandhills; Long Island Pine Barrens, NY; Shawangunk Ridge, NY-NJ-PA; Upper Deschutes Basin, OR)

Oregon GAP Products (FTP Directory)

Oregon : General Land Office Surveys Historical Vegetation Maps

Tree Identification Home Page at Oregon State University (Distribution maps)

Western Oregon Vegetation

Pennsylvania : Fort Necessity National Battlefield

South Carolina Plant Atlas

South Dakota Vegetation Map

Jewel Cave National Monument (USGS-NPS Vegetation Mapping Program)

Mount Rushmore National Historic Site (USGS-NPS Vegetation Mapping Program)

Wind Cave National Park (USGS-NPS Vegetation Mapping Program)

Atlas of Tennessee Vascular Plants

Coryphantha Homepage Distribution Maps by Reto F. Dicht

Diversity Map for Genus Helianthus [Sunflowers]

Vascular Plants Endemic to Texas

Vegetation Types of Texas

Atlas of the Vascular Plants of Utah

Hovenweep National Monument Vegetation

National Gap Analysis Program (Biodiversity status of vegetation communities and vertebrates, land cover/land use)

Utah GAP Products (FTP directory)

Vegetation classification

Vegetation, Natural Bridges National Monument

Vegetation and Anderson Level II Map Classes for Wilderness Battlefield and Chancellorsville Battlefield in Fredericksburg and Spotsylvania National Military Park; Vegetation and Anderson Level II Map Classes for Spotsylvania Court House Battlefield in Fredericksburg and Spotsylvania National Military Park; Vegetation and Anderson Level II Map Classes for Fredericksburg Battlefield and Stonewall Jackson Shrine in Fredericksburg and Spotsylvania National Military Park; Distribution of Wetland Vegetation-map Classes in Fredericksburg and Spotsylvania National Military Park

Virginia's Rare Plants and Animals

Digital Atlas of Virginia's Flora

INVADERS Database System (Exotic plant data including county-level distribution maps)

The Washington Gap Analysis Home Page (Includes satellite images of Washington and King and Pierce counties, and maps of "Washington State Ecozones" and "Washington State Landcover")

Washington GAP Products (FTP directory)

West Virginia GAP Products (FTP directory)

Biodiversity and Land-use History of the Palouse Bioregion

[Greater Yellowstone Ecosystem] Vegetation Cover Type (Derived from Landsat Thematic Mapper Imagery; Past Vegetation Patterns in Two Portions of the Targhee National Forest under the Influence of Wildfire (before 1950) and Logging (after 1950); Potential Hot Spots for Ecological Processes and Biodiversity also May be Strongly Correlated with Locations of Intense Human Land Use : Here, Primary Productivity (Estimated from NDVI-tranformed AVHRR data) is Compared with Human Population Density (1990 data)

Landscape Changes in the Southwestern United States: Techniques, Long-term Data Sets, and Trends; Modern Vegetation [and] Pleistocene Vegetation

Lower Portion of the Colorado River with Large Areas of Mesquite, Cottonwood and Willow Represented : Map Made from Information Collected during 1851 Sitgreaves Expedition

Map of the Sagebrush Steppe and the Great Basin Types (Adapted from Kuchler 1979)

The Mosaic of Prairie and Oak Forest in the So-called "Prairie Peninsula; Map of the Saltbush-Greasewood Vegetation Type; Ecoregional Boundary Dividing Forested Mountain Ranges and Intermontane Valleys, with Sagebrush Steppe, from Low-lying Plains, with Sagebrush Steppe along the Snake River Idaho; Generalized Global Pattern of Tropical/Subtropical Steppes

New Mexico Pinyon-Juniper Woodland Distribution; Distributions of Nine Common Juniper Species in the Southwestern United States

Point Distribution Mapping Datasets (Berkeley Natural History Museum)

Western U.S. GAP Products (FTP directory)

Orchids of Wisconsin