Roadless Areas
Map
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Ecosystem Directory
344 ecosystems
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G-Rank
All Ranks
G1 - Critically Imperiled
G2 - Imperiled
G3 - Vulnerable
G4 - Apparently Secure
G5 - Secure
GNR - Not Ranked
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Name
Life Form
G-Rank
Areas
Hectares
Florida Highlands Freshwater Marsh
Herb
GNR
1
104
Florida Peninsula Inland Scrub
Shrub
GNR
1
15
Great Lakes Northern Pine-Oak Forest
Tree
GNR
1
80
Great Plains Comanchian Ruderal Shrubland
Shrub
1
124
Great Plains Sand Prairie
Herb
G4
1
236
Gulf Coast Wet Prairie and Savanna
Herb
GNR
1
218
Gulf Coast Wet Prairie and Savanna
Tree
GNR
1
43
Laurentian-Acadian Freshwater Marsh
Herb
1
53
Midwestern Dry Oak Forest
Tree
GNR
1
51
Midwestern Oak Forest
Tree
GNR
1
64
North American Warm Desert Riparian Shrubland
Shrub
1
60
North Pacific Dry and Mesic Alpine Fell-field or Meadow
Herb
1
71
North Pacific Maritime Coastal Sand Dune Ruderal Scrub
Shrub
1
42
Northeastern Rocky Heath Outcrop
Tree
GNR
1
30
Northeastern Rocky Heath Outcrop
Shrub
GNR
1
39
Northern Gulf Coast Dry Upland Hardwood Forest
Tree
GNR
1
9
Northern Gulf Coast Loess Bluff Forest
Tree
GNR
1
469
Northern Gulf Coast Moist Hardwood Slope Forest
Tree
GNR
1
14
Ouachita Mountain Flint Rock Glade
Tree
GNR
1
37
Ozark Limestone Glade and Barrens
Tree
GNR
1
301
Ozark-Ouachita Shortleaf Pine-Bluestem Woodland
Tree
GNR
1
35
Pacific Coast Freshwater Marsh
Herb
GNR
1
46
Pacific Coast Tidal Marsh
Herb
GNR
1
18
Pacific Northwest Hardwood-Conifer Swamp
Tree
GNR
1
39
Pacific Northwest Mountain Streamside Forest
Shrub
GNR
1
59
Red River Large Floodplain Forest
Tree
GNR
1
59
Rocky Mountain Front Range Foothill Grassland
Herb
G3
1
51
South-Central Interior Large River Floodplain
Tree
GNR
1
68
South-Central Interior Small Stream Forest
Tree
GNR
1
43
South-Central Interior Small Stream and Riparian Herbaceous
Herb
1
10
Southeastern Native Ruderal Flooded & Swamp Forest
Tree
1
45
Southeastern Ruderal Shrubland
Shrub
1
27
Southern Appalachian Dry Limestone Forest
Tree
GNR
1
151
Southern Appalachian Mountain Bald
Shrub
GNR
1
169
Southern Atlantic Coast Dry Oak Forest
Tree
GNR
1
56
Southern Coastal Plain Blackwater River Floodplain
Tree
GNR
1
384
Southern Coastal Plain Oak Hammock
Tree
GNR
1
24
Southern Coastal Plain Seepage Swamp
Tree
GNR
1
75
Southern Coastal Plain Wetland Hammock
Tree
GNR
1
96
West Gulf Coast Large River Floodplain Forest
Tree
GNR
1
198
West Gulf Coast Moist Hardwood Forest
Tree
GNR
1
64
West Gulf Coast Seepage Swamp
Tree
GNR
1
26
Western Great Plains Tallgrass Prairie
Herb
G2
1
31
Western North American Ruderal Wet Shrubland
Shrub
1
31
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