| Name |
Type |
Location |
|
Woolly Beach-heather Dune Dwarf-shrubland |
Alliance |
United States (Maryland, New Jersey, Delaware, New Hampshire, Rhode Island, Massachusetts, North Carolina, Virginia, New York, Maine) |
|
Woolly Pussytoes - Parry's Rush Alpine Meadow |
Alliance |
Canada (British Columbia); United States (Washington) |
|
Woolly Sedge - Reedgrass Wet Meadow |
Association |
United States (North Dakota, South Dakota, Colorado, Wyoming, Montana); Canada (Saskatchewan, Manitoba) |
|
Woolly-fruit Sedge Shore Fen |
Association |
United States (Pennsylvania); Canada (Ontario) |
|
World Map Lichen Sparsely Vegetated Nonvascular Parkland |
Alliance |
Canada (British Columbia) |
|
Wyoming Basins Dwarf Sagebrush Shrubland & Steppe |
Association |
United States (Montana, Colorado, Wyoming) |
|
Wyoming Big Sagebrush / Blue Grama Great Basin Shrubland |
Association |
United States (Colorado, Utah, Arizona) |
|
Wyoming Big Sagebrush / James' Galleta Shrubland |
Association |
United States (Nevada, Colorado, New Mexico, Utah) |
|
Wyoming Big Sagebrush Desert Shrubland |
Alliance |
United States (New Mexico, Colorado, Arizona, Wyoming, Nevada, Utah, Idaho) |
|
Wyoming Big Sagebrush Dry Shrub Steppe |
Alliance |
United States (Nevada, Montana, Oregon, Utah, Idaho, Washington, Colorado, Wyoming); Canada |
|
Wyoming Big Sagebrush Dry-Mesic Steppe |
Alliance |
United States (Colorado, Wyoming, Washington, Montana, Oregon, Utah, Idaho); Canada |
|
Xanthium strumarium Mudflat |
Association |
United States (California) |
|
Xeric Longleaf Pine Woodland |
Group |
United States (North Carolina, Texas, Louisiana, Alabama, Florida, Virginia, South Carolina, Mississippi, Georgia) |
|
Xeric Puna Succulent Scrub |
Macrogroup |
Chile; Peru; Argentina; Bolivia |
|
Xeric Upper East Gulf Coastal Plain Longleaf Pine Woodland |
Association |
United States (South Carolina, Georgia) |
|
Xylopia aromatica Alliance |
Alliance |
Bolivia |
|
Yadkin River Mafic Riverscour |
Association |
United States (North Carolina) |
|
Yellow Birch - White Spruce Forest |
Association |
Canada (Ontario); United States (Wisconsin, Michigan) |
|
Yellow Bush Lupine Dune Scrub |
Alliance |
United States (California, Oregon) |
|
Yellow Necklacepod - Florida Swamp-privet Shell Hash Scrub |
Association |
United States (Florida) |
|
Yellow Rabbitbrush Steppe & Shrubland |
Alliance |
United States (Wyoming, Nevada, Montana, Idaho, Colorado, Utah, California) |
|
Yerba Guinea Herbaceo |
Association |
United States (Florida); Cuba; Puerto Rico |
|
Yerba Mansa - Sunflower - Goldenrod Alkaline Wet Meadow |
Alliance |
United States (California) |
|
Yucca brevifolia - Juniperus osteosperma / Artemisia tridentata Wooded Shrubland |
Association |
United States (Nevada) |
|
Yucca brevifolia / (Artemisia tridentata, Atriplex confertifolia) Wooded Shrubland |
Association |
United States (California) |
|
Yucca brevifolia / (Prunus fasciculata, Salazaria mexicana) Wooded Shrubland |
Association |
United States (California) |
|
Yucca brevifolia / (Yucca baccata) / Pleuraphis jamesii - Bouteloua eriopoda Wooded Shrubland |
Association |
United States (California, Nevada) |
|
Yucca brevifolia / Coleogyne ramosissima Wooded Shrubland |
Association |
United States (Arizona, California) |
|
Yucca brevifolia / Cylindropuntia acanthocarpa Wooded Shrubland |
Association |
United States (California) |
|
Yucca brevifolia / Larrea tridentata - Yucca schidigera / Pleuraphis rigida Wooded Shrubland |
Association |
United States (Arizona, California) |
|
Yucca brevifolia / Lycium andersonii - Ephedra nevadensis Wooded Shrubland |
Association |
United States (California, Arizona) |
|
Yucca brevifolia / Pleuraphis rigida Wooded Grassland |
Association |
United States (California, Nevada) |
|
Yucca brevifolia Wooded Shrubland |
Association |
United States (California) |
|
Yucca elata / Bouteloua eriopoda Shrub Grassland |
Association |
United States (New Mexico) |
|
Yucca faxoniana / Bouteloua hirsuta - Bouteloua gracilis - Bouteloua eriopoda Shrub Grassland |
Association |
United States (Texas) |
|
Yucca schidigera - Coleogyne ramosissima Shrubland |
Association |
United States (California) |
|
Yucca schidigera - Cylindropuntia acanthocarpa Shrubland |
Association |
United States (California) |
|
Yucca schidigera - Eriogonum fasciculatum Shrubland |
Association |
United States (California, Nevada) |
|
Yucca schidigera - Larrea tridentata - Ambrosia dumosa Shrubland |
Association |
United States (Arizona, Nevada, California) |
|
Yucca schidigera - Larrea tridentata - Ephedra nevadensis Shrubland |
Association |
United States (California) |
|
Yucca schidigera / Pleuraphis rigida Shrubland |
Association |
United States (California) |
|
Yukon Boreal High Montane Woodland |
Group |
Canada (British Columbia, Yukon Territory) |
|
Yukon Boreal Low Montane Forest |
Group |
Canada (Yukon Territory) |
|
Yungas High Andean Polylepis Woodland |
Alliance |
Bolivia |
|
Yungas Montane & Low Montane Seral Woodland Savanna |
Macrogroup |
Peru; Bolivia |
|
Zizania aquatica - Zizaniopsis miliacea Tidal Freshwater Marsh Alliance |
Alliance |
|
|
Zizaniopsis miliacea Rocky Riverbed Vegetation |
Association |
United States (South Carolina, Oklahoma, Arkansas) |
|
Zizaniopsis miliacea Subtropical Marsh |
Association |
United States (Florida) |
|
Zuckia brandegeei Sparse Vegetation |
Association |
United States (Utah, Arizona) |
|
`Aki`aki Coastal Dry Shrub Grassland |
Association |
United States (Hawaii) |
|
`Akulikuli Kai Coastal Dry Herbland |
Association |
United States (Hawaii) |