Carex opaca (F.J. Hermann) P.E. Rothrock & Reznicek. Section: [26q] Section 12 Ovales. Common name: Opaque Sedge. Phenology: Apr-Jul. Habitat: Prairies, eastwards in disturbed areas, such as introduced at old railroad livestock yard and well-established. Distribution: IL, MO, and KS south to MS, AR, and OK.
Origin/Endemic status: Native
Synonymy ⓘ: = Ar, FNA23, Il, K4, POWO; = Carex bicknellii Britton var. opaca F.J.Herm. — Mo1, NS; = n/a — RAB; < Carex bicknellii Britton — C, Mackenzie (1931-1935). Basionym: Carex bicknellii Britton var. opaca F.J.Herm. 1972
Links to other floras: = Carex opaca - FNA23
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Wetland Indicator Status:
- Atlantic and Gulf Coastal Plain: FACW
- Eastern Mountains and Piedmont: FACW
- Great Plains: FACW
- Midwest: FACW
Heliophily ⓘ: 9
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