Ecosystem Code	Ecosystem Name	Ecosystem Name and Code
ADHL	Adirondack Highlands	Adirondack Highlands (ADHL)
AHMT	Ahklun Mountains	Ahklun Mountains (AHMT)
AKMT	Alaska Mountains	Alaska Mountains (AKMT)
AKPN	Alaska Peninsula	Alaska Peninsula (AKPN)
ALIS	Aleutian Islands	Aleutian Islands (ALIS)
ALMT	Allegheny Mountains	Allegheny Mountains (ALMT)
ARTL	Arkansas Tablelands	Arkansas Tablelands (ARTL)
ARVL	Arkansas Valley	Arkansas Valley (ARVL)
ASHL	Aroostook Hills & Lowlands	Aroostook Hills & Lowlands (ASHL)
ATCF	Atlantic Coastal Flatlands	Atlantic Coastal Flatlands (ATCF)
BARA	Basin and Range	Basin and Range (BARA)
BBLD	Bristol Bay Lowlands	Bristol Bay Lowlands (BBLD)
BDRA	Boundary Range	Boundary Range (BDRA)
BEMT	Belt Mountains	Belt Mountains (BEMT)
BHBA	Bighorn Basin	Bighorn Basin (BHBA)
BHMT	Bighorn Mountains	Bighorn Mountains (BHMT)
BLKH	Black Hills	Black Hills (BLKH)
BLMT	Blue Mountains	Blue Mountains (BLMT)
BLPR	Blackland Prairies	Blackland Prairies (BLPR)
BNBA	Bonneville Basin	Bonneville Basin (BNBA)
BRLK	Bear Lake	Bear Lake (BRLK)
BRMT	Blue Ridge Mountains	Blue Ridge Mountains (BRMT)
BSMT	Boston Mountains	Boston Mountains (BSMT)
BTMT	Bitterroot Mountains	Bitterroot Mountains (BTMT)
BTVL	Bitterroot Valley	Bitterroot Valley (BTVL)
BVMT	Beaverhead Mountains	Beaverhead Mountains (BVMT)
CCCR	Central California Coast Ranges	Central California Coast Ranges (CCCR)
CCCS	Central California Coast	Central California Coast (CCCS)
CDTP	Central Dissected Till Plains	Central Dissected Till Plains (CDTP)
CGBM	Central Great Basin Mountains	Central Great Basin Mountains (CGBM)
CGPM	Central Gulf Prairies and Marshes	Central Gulf Prairies and Marshes (CGPM)
CHVO	Challis Volcanics	Challis Volcanics (CHVO)
CILL	Cook Inlet Lowlands	Cook Inlet Lowlands (CILL)
CMCI	Central Maine Coastal & Interior	Central Maine Coastal & Interior (CMCI)
CNBH	Central Basin and Hills	Central Basin and Hills (CNBH)
CNHP	Central High Plains	Central High Plains (CNHP)
CNHT	Central High Tablelands	Central High Tablelands (CNHT)
CNLP	Central Loess Plains	Central Loess Plains (CNLP)
CNRV	Central Ridge and Valley	Central Ridge and Valley (CNRV)
COBA	Columbia Basin	Columbia Basin (COBA)
CPFL	"Coastal Plains and Flatwoods, Lower"	"Coastal Plains and Flatwoods, Lower (CPFL)"
CPFW	"Coastal Plains and Flatwoods, Western Gulf"	"Coastal Plains and Flatwoods, Western Gulf (CPFW)"
CPMD	"Coastal Plains, Middle"	"Coastal Plains, Middle (CPMD)"
CRBA	Cooper River Basin	Cooper River Basin (CRBA)
CRTP	Cross Timbers and Prairie	Cross Timbers and Prairie (CRTP)
CSMT	Chugach-St. Elias Mountains	Chugach-St. Elias Mountains (CSMT)
CSTP	Coastal Plain	Coastal Plain (CSTP)
CTMT	Catskill Mountains	Catskill Mountains (CTMT)
CTPB	"Central Till Plains, Beech-Maple"	"Central Till Plains, Beech-Maple (CTPB)"
CTPO	"Central Till Plains, Oak-Hickory"	"Central Till Plains, Oak-Hickory (CTPO)"
ECSC	Eastern Cascades	Eastern Cascades (ECSC)
EDPT	Edwards Plateau	Edwards Plateau (EDPT)
EGPM	Eastern Gulf Prairies and Marshes	Eastern Gulf Prairies and Marshes (EGPM)
EOLP	Erie and Ontario Lake Plain	Erie and Ontario Lake Plain (EOLP)
EVGL	Everglades	Everglades (EVGL)
FCLE	"Florida Coastal Lowlands, Eastern"	"Florida Coastal Lowlands, Eastern (FCLE)"
FCLW	"Florida Coastal Lowlands, Western"	"Florida Coastal Lowlands, Western (FCLW)"
FCPM	Florida Coast Prairies and Marshes	Florida Coast Prairies and Marshes (FCPM)
FDCI	Fundy Coastal & Interior	Fundy Coastal & Interior (FDCI)
FLVA	Flathead Valley	Flathead Valley (FLVA)
FTHL	Foothills	Foothills (FTHL)
FTNH	Flint Hills	Flint Hills (FTNH)
GDCL	Grand Canyon Lands	Grand Canyon Lands (GDCL)
GGRV	Greater Green River Basin	Greater Green River Basin (GGRV)
GRVA	Great Valley	Great Valley (GRVA)
GTBM	"Green, Taconic, Berkshire Mountains"	"Green, Taconic, Berkshire Mountains (GTBM)"
HDVA	Hudson Valley	Hudson Valley (HDVA)
HLPL	High Lava Plains	High Lava Plains (HLPL)
IDBT	Idaho Batholith	Idaho Batholith (IDBT)
ILPB	"Interior Low Plateau, Bluegrass"	"Interior Low Plateau, Bluegrass (ILPB)"
ILPH	"Interior Low Plateau, Highland Rim"	"Interior Low Plateau, Highland Rim (ILPH)"
ILPS	"Interior Low Plateau, Shawnee Hills"	"Interior Low Plateau, Shawnee Hills (ILPS)"
KKMT	Koskokwim Mountains	Koskokwim Mountains (KKMT)
KLMT	Klamath Mountains	Klamath Mountains (KLMT)
KSLD	Kotzbue Sound Lowlands	Kotzbue Sound Lowlands (KSLD)
LAAP	"Lake Agassiz, Aspen Parklands"	"Lake Agassiz, Aspen Parklands (LAAP)"
LCPM	Louisiana Coast Prairies and Marshes	Louisiana Coast Prairies and Marshes (LCPM)
LHBA	Lahontan Basin	Lahontan Basin (LHBA)
LNCN	Lynn Canal	Lynn Canal (LNCN)
LNEN	Lower New England	Lower New England (LNEN)
MABA	Mississippi Alluvial Basin	Mississippi Alluvial Basin (MABA)
MACP	Middle Atlantic Coastal Plain	Middle Atlantic Coastal Plain (MACP)
MCPW	"Mid Coastal Plains, Western"	"Mid Coastal Plains, Western (MCPW)"
MDPT	Modoc Plateau	Modoc Plateau (MDPT)
MIMO	"Minnesota & NE Iowa Morainal, Oak Savannah"	"Minnesota & NE Iowa Morainal, Oak Savannah (MIMO)"
MNBF	Maine & New Brunswick Foothills & Central Lowlands	Maine & New Brunswick Foothills & Central Lowlands (MNBF)
MNTS	Mountains	Mountains (MNTS)
MODT	Mojave Desert	Mojave Desert (MODT)
MONO	Mono	Mono (MONO)
NALA	Northern Alexander Archipelago	Northern Alexander Archipelago (NALA)
NAPD	Northern Appalacian Piedmont	Northern Appalacian Piedmont (NAPD)
NBSH	Nebraska Sand Hills	Nebraska Sand Hills (NBSH)
NCCR	Northern California Coast Ranges	Northern California Coast Ranges (NCCR)
NCCT	Northern California Coast	Northern California Coast (NCCT)
NCDE	North Central U.S. Driftless and Escarpment	North Central U.S. Driftless and Escarpment (NCDE)
NCGL	North-Central Glaciated Plains	North-Central Glaciated Plains (NCGL)
NCGP	North-Central Great Plains	North-Central Great Plains (NCGP)
NCHL	North-Central Highlands	North-Central Highlands (NCHL)
NCIC	Northern California Interior Coast Ranges	Northern California Interior Coast Ranges (NCIC)
NCLD	Northern Canyon Lands	Northern Canyon Lands (NCLD)
NCMT	Northern Cumberland Mountains	Northern Cumberland Mountains (NCMT)
NCPT	Northern Cumberland Plateau	Northern Cumberland Plateau (NCPT)
NEGB	Northeastern Great Basin	Northeastern Great Basin (NEGB)
NEGP	Northeastern Glaciated Plains	Northeastern Glaciated Plains (NEGP)
NEPD	New England Piedmont	New England Piedmont (NEPD)
NGAP	Northern Glaciated Allegheny Plateau	Northern Glaciated Allegheny Plateau (NGAP)
NGLF	Northern Gulf	Northern Gulf (NGLF)
NGLK	Northern Great Lakes	Northern Great Lakes (NGLK)
NGPL	Northern Glaciated Plains	Northern Glaciated Plains (NGPL)
NLHL	Nushagak-Lime Hills	Nushagak-Lime Hills (NLHL)
NMDL	Northern Minnesota Drift & Lake Plains	Northern Minnesota Drift & Lake Plains (NMDL)
NMON	Northern Minnesota & Ontario	Northern Minnesota & Ontario (NMON)
NORK	Northern Rockies	Northern Rockies (NORK)
NPRN	Northern Parks and Ranges	Northern Parks and Ranges (NPRN)
NRGI	Northern Rio Grande Intermontane	Northern Rio Grande Intermontane (NRGI)
NRVA	Northern Ridge & Valley	Northern Ridge & Valley (NRVA)
NSUP	Northern Superior Uplands	Northern Superior Uplands (NSUP)
NUAP	Northern Unglaciated Allegheny Plateau	Northern Unglaciated Allegheny Plateau (NUAP)
NUHL	Nulato Hills	Nulato Hills (NUHL)
NVCL	Navajo Canyonlands	Navajo Canyonlands (NVCL)
NWBR	Northwestern Basin and Range	Northwestern Basin and Range (NWBR)
NWGL	Northwestern Glaciated Plains	Northwestern Glaciated Plains (NWGL)
NWGP	Northwestern Great Plains	Northwestern Great Plains (NWGP)
OKHL	Okanogan Highlands	Okanogan Highlands (OKHL)
OSPL	Osage Plains	Osage Plains (OSPL)
OUMT	Ouachita Mountains	Ouachita Mountains (OUMT)
OVMT	Overthrust Mountains	Overthrust Mountains (OVMT)
OWCR	Oregon and Washington Coast Ranges	Oregon and Washington Coast Ranges (OWCR)
OWPR	Oak Woods and Prairies	Oak Woods and Prairies (OWPR)
OWUP	Owyhee Uplands	Owyhee Uplands (OWUP)
OZHL	Ozark Highlands	Ozark Highlands (OZHL)
PCVA	Pecos Valley	Pecos Valley (PCVA)
PLPR	Palouse Prairie	Palouse Prairie (PLPR)
PRBA	Powder River Basin	Powder River Basin (PRBA)
PTDT	Painted Desert	Painted Desert (PTDT)
RBPL	Redbed Plains	Redbed Plains (RBPL)
RGPL	Rio Grande Plain	Rio Grande Plain (RGPL)
RLPL	Rolling Plains	Rolling Plains (RLPL)
RMTF	Rocky Mountain Front	Rocky Mountain Front (RMTF)
RRVA	Red River Valley	Red River Valley (RRVA)
SALA	Southern Alexander Archipelago	Southern Alexander Archipelago (SALA)
SAPD	Southern Appalachian Piedmont	Southern Appalachian Piedmont (SAPD)
SCCT	Southern California Coast	Southern California Coast (SCCT)
SCDT	Sonoran Colorado Desert	Sonoran Colorado Desert (SCDT)
SCGL	South Central Great Lakes	South Central Great Lakes (SCGL)
SCGP	South-Central Great Plains	South-Central Great Plains (SCGP)
SCHL	South-Central Highlands	South-Central Highlands (SCHL)
SCMT	Southern Cumberland Mountains	Southern Cumberland Mountains (SCMT)
SCMV	Southern California Mountains and Valleys	Southern California Mountains and Valleys (SCMV)
SCPT	Southern Cumberland Plateau	Southern Cumberland Plateau (SCPT)
SCSC	Southern Cascades	Southern Cascades (SCSC)
SDMT	Seward Mountains	Seward Mountains (SDMT)
SEGB	Southeastern Great Basin	Southeastern Great Basin (SEGB)
SGPM	Southern Gulf Prairies and Marshes	Southern Gulf Prairies and Marshes (SGPM)
SHPL	Southern High Plains	Southern High Plains (SHPL)
SLVA	St. Lawrence Valley	St. Lawrence Valley (SLVA)
SMDT	Sonoran Mojave Desert	Sonoran Mojave Desert (SMDT)
SMMT	Sacramento-Monzano Mountain	Sacramento-Monzano Mountain (SMMT)
SNEV	Sierra Nevada	Sierra Nevada (SNEV)
SNFH	Sierra Nevada Foothills	Sierra Nevada Foothills (SNFH)
SPRA	Southern Parks and Ranges	Southern Parks and Ranges (SPRA)
SRBT	Snake River Basalts	Snake River Basalts (SRBT)
SRVA	Southern Ridge and Valley	Southern Ridge and Valley (SRVA)
SSUP	Southern Superior Uplands	Southern Superior Uplands (SSUP)
STPT	Stockton Plateau	Stockton Plateau (STPT)
SUAP	Southern Unglaciated Allegheny Plateau	Southern Unglaciated Allegheny Plateau (SUAP)
SWGL	Southwestern Great Lakes Morainal	Southwestern Great Lakes Morainal (SWGL)
TNTR	Tonto Transition	Tonto Transition (TNTR)
TPPT	Tavaputs Plateau	Tavaputs Plateau (TPPT)
TXHP	Texas High Plains	Texas High Plains (TXHP)
UACP	Upper Atlantic Coastal Plain	Upper Atlantic Coastal Plain (UACP)
UGCP	Upper Gulf Coastal Plain	Upper Gulf Coastal Plain (UGCP)
UHPM	Utah High Plateaus and Mountains	Utah High Plateaus and Mountains (UHPM)
UKVA	Upper Kobuk Valley	Upper Kobuk Valley (UKVA)
URGB	Upper Rio Grande Basin	Upper Rio Grande Basin (URGB)
UTBA	Uinta Basin	Uinta Basin (UTBA)
UTMT	Uinta Mountains	Uinta Mountains (UTMT)
UYFL	Upper Yukon Flats	Upper Yukon Flats (UYFL)
UYHL	Upper Yukon Highlands	Upper Yukon Highlands (UYHL)
WCSC	Western Cascades	Western Cascades (WCSC)
WGAP	Western Glaciated Allegheny Plateau	Western Glaciated Allegheny Plateau (WGAP)
WGMT	Wrangell Mountains	Wrangell Mountains (WGMT)
WGPL	Western Glaciated Plains	Western Glaciated Plains (WGPL)
WHMT	White Mountains	White Mountains (WHMT)
WKIS	West Kodiak Island	West Kodiak Island (WKIS)
WMSF	White Mountain-San Francisco Peaks	White Mountain-San Francisco Peaks (WMSF)
WRMT	Wind River Mountain	Wind River Mountain (WRMT)
WSUP	Western Superior	Western Superior (WSUP)
WVPT	Willamette Valley and Puget Trough	Willamette Valley and Puget Trough (WVPT)
YKBT	Yukon-Koskokwim Bottoms	Yukon-Koskokwim Bottoms (YKBT)
YKDL	Yukon-Kuskokwim Delta	Yukon-Kuskokwim Delta (YKDL)
YSHL	Yellowstone Highlands	Yellowstone Highlands (YSHL)