Coleataenia rigidula (Bosc ex Nees) LeBlond ssp. condensa (Nash) LeBlond. Dense Panic Grass. Phen: Sep-Oct. Hab: Marshes, meadows, low woods, ditches, stream and pond shores, freshwater tidal shores. Dist: Coastal Plain south from se. MA to FL, west to se. TX and AR; disjunct in the West Indies.

ID notes:Usually readily identified by its tall stature and compact inflorescence, somewhat resembling a large Hymenachne hemitomon, with which it occasionally occurs. See note under C. anceps ssp. rhizomata.

Origin/Endemic status: Native

Synonymy: = K3, K4, Va, Weakley et al (2011); = Coleataenia condensa (Nash) Mohlenbr. – Il; = Panicum agrostoides Spreng. var. condensum (Nash) Fernald – F, RAB, Tat; = Panicum condensum Nash – HC, S; = Panicum rigidulum Bosc ex Nees var. condensum (Nash) Mohlenbr.; < Coleataenia longifolia (Torr.) Soreng ssp. rigidula (Bosc ex Nees) Soreng – Soreng (2010); < Coleataenia rigidula (Bosc ex Nees) LeBlond – FlGr; < Panicum agrostoides Spreng. – G; < Panicum rigidulum Bosc ex Nees – Bah, C, GW1, Pa, Tx, WH3; < Panicum rigidulum Bosc ex Nees ssp. rigidulum – FNA25; < Panicum rigidulum Bosc ex Nees var. rigidulum – K1, Lelong (1986); < Sorengia longifolia (Torr.) Zuloaga & Morrone ssp. rigidula (Bosc ex Nees) Zuloaga & Morrone – Zuloaga, Scataglini, & Morrone (2010); < Sorengia rigidula (Bosc ex Nees) Zuloaga & Morrone, illegitimate

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Wetland Indicator Status:

• Atlantic and Gulf Coastal Plain: FACW (taxonomic split from wetland indicator species)
• Eastern Mountains and Piedmont: FACW (taxonomic split from wetland indicator species)
• Great Plains: FACW (taxonomic split from wetland indicator species)
• Midwest: FACW (taxonomic split from wetland indicator species)
• Northcentral & Northeast: FACW (taxonomic split from wetland indicator species)

Heliophily: 7