Mnesithea rugosa (Nuttall) de Koning & Sosef. Wrinkled Jointgrass. Phen: May-Oct. Hab: 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. Dist: 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, K1, K3, K4, Va, WH3; = Manisuris rugosa (Nutt.) Kuntze – F, G, GW1, HC, RAB, S, Tat, Tx; > Manisuris chapmanii (Hack.) Nash – S13; > Manisuris rugosa (Nutt.) Kuntze – S13

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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