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Sedges can be found throughout Indiana, but are most diverse in the northern counties. The map below shows some of Indiana's bio-regions. Using these regions, the chart shows how many different species of non-Carex sedges are known from each location. The regions with the highest numbers are, therefore, the best places to find sedges.
| Bioregion |
Number of Species |
| Northwest Morainal (NWM) |
61 |
| Northern Lakes (NL) |
51 |
| Grand Prairie (GP) |
47 |
| Central Till Plain (CTP) |
36 |
| Southwestern Lowland (SWL) |
36 |
| Highland Rim (HR) |
33 |
| Blue Grass (BG) |
31 |
| Highlighted Species |
Bioregions Present In |
| Cladium mariscoides |
NWM, NL, GP, CTP |
| Cyperus esculentus |
NWM, NL, GP, CTP, SWL, HR, BG |
| Eleocharis obtusa |
NWM, NL, GP, CTP, SWL, HR, BG |
| Eriophorum angustifolium |
NWM, NL |
| Eriophorum gracile |
NWM, NL, CTP |
| Rhynchospora macrostachya |
NWM, NL |
| Scirpus atrovirens |
NWM, NL, GP, CTP, SWL, HR, BG |
Information for this page is based upon Charles C. Deam's Flora of Indiana.
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