IL | Cook | Bartel Grasslands | Main Route | 2 | 5 |
IL | DuPage | Belmont Prairie | Main Route | 5 | 18 |
IL | Cook | Bergman Slough | Main Route | 6 | 22 |
IL | Cook | Bluff Spring Fen | Main Route | 5 | 33 |
IL | McHenry | Boger Fen | Main Route | 6 | 15 |
IL | McHenry | Boone Creek Fen | Main Route | 5 | 27 |
IL | Will | Braidwood Dunes | North Route | 7 | 28 |
IL | Lake | Buffalo Creek | East Route | 7 | 15 |
IL | Lake | Buffalo Creek | West Route | 9 | 14 |
IL | Champaign | Buffalo Trace | South Route | 6 | 21 |
IL | Cook | Bunker Hill | Old Oxbow Route | 3 | 14 |
IL | Cook | Bunker Hill | Old Prairie Route | 4 | 16 |
IL | Kane | Burlington Prairie | Old North Route | 4 | 15 |
IL | Kane | Burnidge-Paul Wolff | Main Route | 6 | 6 |
IL | Cook | Camp Sagawau | Main Route | 6 | 17 |
IL | Cook | Cap Sauers | Main Route | 4 | 20 |
IL | Hancock | Cedar Glen | Main Route | 9 | 33 |
IL | Lake | Chain O' Lakes | Old Route | 6 | 15 |
IL | Cook | Cherry Hill Woods | Main Route | 12 | 16 |
IL | Cook | Chipilly Woods | Main Route | 7 | 10 |
IL | DuPage | Churchill Prairie | Main Route | 5 | 16 |
IL | McHenry | Cotton Creek Marsh | Main Route | 9 | 38 |
IL | Lake | Cuba Marsh | Main Route | 10 | 20 |
IL | Cook | Dan McMahon | Main Route | 6 | 37 |
IL | DuPage | Danada | East Route | 4 | 14 |
IL | Cook | Deer Grove West | Old Route | 5 | 21 |
IL | DuPage | Deer Wood Farm | Old Route | 9 | 17 |
IL | Kane | Dick Young | Nelson Lake Marsh | 6 | 25 |
IL | Kane | Dick Young | West Route | 5 | 14 |
IL | Cook | Dropseed Prairie | Main Route | 8 | 11 |
IN | Lake | DuPont Natural Area | Main Route | 10 | 28 |
IL | McHenry | Exner Marsh | Main Route | 9 | 19 |
IL | McHenry | Fel-Pro | Old Route | 6 | 20 |
IL | Kane | Fermilab | Old Indian Creek Route | 6 | 20 |
IL | Kane | Ferson Creek Fen | Main Route | 6 | 20 |
IL | DuPage | Fischer Woods | Dunklee's Grove/Prairie | 6 | 27 |
IL | Boone | Flora Prairie | Main Route | 4 | 9 |
IL | Lake | Florsheim Nature Preserve | Main Route | 7 | 17 |
IL | Peoria | Forest Park | Main Route | 16 | 24 |
IL | Coles | Fox Ridge State Park | Main Route | 5 | 11 |
IL | Kane | Freeman Kame | Main Route | 5 | 22 |
IL | Cook | Gensburg-Markham Prairie | Main Route | 7 | 23 |
IL | McHenry | Gladstone Fen | Main Route | 6 | 18 |
IL | Lake | Grant Woods | South Route | 13 | 30 |
IL | Lee | Green River | Main Route | 6 | 28 |
IL | DuPage | Greene Valley Forest Preserve | Main Route | 6 | 21 |
IL | Kane | Hannaford Woods | Old Route | 7 | 21 |
IL | Cook | Harms Woods | North Route | 2 | 8 |
IL | Cook | Harper College | Main Route | 15 | 23 |
IL | McHenry | Harvard Savanna | Old Route | 6 | 18 |
IL | DuPage | Hawk Hollow | Main Route | 6 | 15 |
IL | Lake | Heller Nature Center | Main Route | 10 | 23 |
IL | DuPage | Herrick Lake | South Savanna | 6 | 23 |
IL | Will | Hickory Creek Barrens | Main Route | 9 | 39 |
IL | Cook | Hidden Pond | Main Route | 8 | 18 |
IL | Lake | Highmoor/Hybernia | Old Route | 4 | 13 |
IL | Lake | Illinois Beach State Park | Bike Trail | 2 | 12 |
IL | Lake | Illinois Beach State Park | Dead River Trail | 6 | 24 |
IL | Lake | Illinois Beach State Park | Dunes Trail | 2 | 3 |
IL | Iroquois | Iroquois County State Wildlife Area | Main Route | 4 | 24 |
IN | Lake | Ivanhoe Preserve | Main Route | 10 | 20 |
IL | McHenry | Lake in the Hills Fen | Old Route | 6 | 29 |
IL | DuPage | Maple Grove | Main Route | 6 | 14 |
IL | Lake | Marl Flat Forest Preserve | Main Route | 5 | 20 |
IL | LaSalle | Matthiessen State Park | Vermillion River | 4 | 21 |
IL | DuPage | Meacham Grove | Main Route | 1 | 28 |
IL | Champaign | Meadowbrook Park | Main Route | 6 | 13 |
IL | Lake | Mellody Farms | Main Route | 6 | 13 |
IL | Lake | Middlefork Savanna | Central Route | 11 | 13 |
IL | Will | Midewin | Blodgett Road | 6 | 27 |
IL | Will | Midewin | South Patrol Road | 4 | 21 |
IL | LaSalle | Mitchell's Grove | Old Route | 2 | 11 |
IL | Cook | Montrose Point Magic Hedge | Old Route | 5 | 14 |
IL | DuPage | Morton Arboretum | East Woods | 6 | 9 |
IL | DuPage | Morton Arboretum | Old Heritage Trail | 13 | 20 |
IL | DuPage | Morton Arboretum | Prairies | 5 | 13 |
IL | Cook | North Park Village Nature Center | Main Route | 6 | 17 |
IL | Cook | Poplar Creek | Shoe Factory Road | 7 | 18 |
IL | DuPage | Pratt's Wayne Woods | Brewster Creek Marsh Old Route | 6 | 30 |
IL | DuPage | Pratt's Wayne Woods | Stearns Marsh West | 6 | 22 |
IL | Lake | Riverside Park | Main Route | 7 | 16 |
IL | Lake | Rollins Savanna | Main Route | 6 | 14 |
IL | Will | Romeoville Prairie | Main Route | 6 | 15 |
IL | Lake | Ryerson Conservation Area | Main Route | 8 | 21 |
IL | Cook | Salt Creek Woods | Old Route | 6 | 11 |
IL | McHenry | Sands Main Street Prairie | Old Route | 5 | 19 |
IL | Cook | Sauganash Prairie | Main Route | 6 | 16 |
IL | DeKalb | Shabbona Lake State Park | Main Route | 3 | 25 |
IL | McHenry | Silver Creek | Old Route | 6 | 20 |
IL | Cook | Somme | Prairie Preserve | 6 | 16 |
IL | Cook | Somme | Prairie Grove | 8 | 31 |
IL | DuPage | Songbird Slough | Main Route | 7 | 22 |
IL | Cook | Spears Woods | Main Route | 6 | 27 |
IL | Cook | Spring Creek | Main Route | 7 | 20 |
IL | Cook | Spring Valley Nature Center | North Route | 8 | 21 |
IL | Cook | Spring Valley Nature Center | Old South Route | 8 | 23 |
IL | DuPage | Springbrook Prairie | Crooked Slough | 7 | 14 |
IL | DuPage | Springbrook Prairie | South Fields | 6 | 19 |
IL | McHenry | Stickney Run | Main Route | 6 | 24 |
IL | Cook | Sundrop Prairie | Main Route | 7 | 16 |
IL | Cook | The Grove | West Route | 6 | 16 |
IL | Cook | Theodore Stone Woods | Main Route | 9 | 24 |
IL | Whiteside | Thomson-Fulton Sand Prairie | Main Route | 10 | 16 |
IL | Coles | Thorsen Prairie | Main Route | 5 | 19 |
IL | DuPage | Timber Ridge | Kline Savanna | 6 | 23 |
IN | Lake | Tolleston Ridges | Main Route | 7 | 25 |
IL | Cook | Turnbull Woods | Main Route | 6 | 8 |
IL | Lake | Volo Bog | Old Route | 6 | 16 |
IL | Lake | Volo Bog | Pistakee Meadow | 4 | 17 |
IL | Lake | Volo Bog | Wilson Prairie | 4 | 24 |
IL | DuPage | Warrenville Grove | Old Route | 7 | 31 |
IL | DuPage | Waterfall Glen | Dolomite Prairie | 8 | 28 |
IL | DuPage | Waterfall Glen | North Poverty Prairie | 6 | 28 |
IL | DuPage | Waterfall Glen | Old Signal Hill | 6 | 30 |
IL | DuPage | Waterfall Glen | Poverty Savanna | 7 | 24 |
IL | Cook | Wayside Woods Prairie | Main Route | 12 | 26 |
IL | DuPage | West Chicago Prairie | Old Route | 8 | 35 |
IL | DuPage | West DuPage Woods | Main Route | 6 | 24 |
IL | McHenry | Wingate Prairie | Main Route | 8 | 24 |
IL | Cook | Wolf Road Prairie | Main Route | 3 | 11 |
IL | DuPage | Wood Ridge Forest Preserve | Old Route | 6 | 27 |