Mnesithea rugosa (Nuttall) de Koning & Sosef. Common name: Wrinkled Jointgrass. Phenology: May-Oct. Habitat: Limesink ponds (dolines), depression meadows, clay-based Carolina bays, wet pine savannas, wet pine flatwoods, marl prairies, disturbed areas (such as seeps in powerline rights-of-way), always in places with a seasonally high water-table. Distribution: S. NJ south to FL and west to TX.

Origin/Endemic status: Endemic

Synonymy ⓘ: = FlGr, Veldkamp, de Koning, & Sosef (1986); = Coelorachis rugosa (Nutt.) Nash — Ar, C, ETx1, FNA25, K4, NS, Va, WH3; = Manisuris rugosa (Nutt.) Kuntze — F, G, GW1, HC, RAB, S, Tat, Tx; = Rottboellia rugosa Nutt. — POWO; > Manisuris chapmanii (Hack.) Nash — S13; > Manisuris rugosa (Nutt.) Kuntze — S13. Basionym: Rottboellia rugosa Nutt. 1818

Links to other floras: = Coelorachis rugosa - FNA25

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Wetland Indicator Status:

• Atlantic and Gulf Coastal Plain: OBL (name change)
• Eastern Mountains and Piedmont: OBL (name change)
• Great Plains: FACW (name change)

Heliophily ⓘ: 8