Eleocharis compressa Sullivant var. acutisquamata (Buckley) S.G. Smith. Phen: Late Mar-May. Hab: Calcareous (dolostone and limestone) glades and fens. Dist: IL, MN, AB, and SK south to IL, MO, TX, and NM.

Origin/Endemic status: Native

Synonymy: = ETx1, FNA23; = Eleocharis acutisquamata Buckley – NcTx, Tx; < Eleocharis compressa Sull. – C, Il, K3, K4, Mo1

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Wetland Indicator Status:

• Atlantic and Gulf Coastal Plain: FACW (taxonomic split from wetland indicator species)
• Eastern Mountains and Piedmont: OBL (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: 9