Eleocharis obtusa (Willdenow) J.A. Schultes. Blunt Spikerush. Phen: Late Apr-Oct. Hab: Ditches, marshes, disturbed wet areas. Dist: NS west to BC, south to FL, TX, and CA.

Origin/Endemic status: Native

Synonymy: = Ar, ETx1, FNA23, G, GW1, Il, K1, K3, K4, Mi, NcTx, S, Tn, Tx, Va, WH3, WV; > Eleocharis obtusa (Willd.) Schult. var. ellipsoidalis Fernald – F, Tat; > Eleocharis obtusa (Willd.) Schult. var. jejuna Fernald – F; > Eleocharis obtusa (Willd.) Schult. var. obtusa – F, GrPl, NE, NY, Pa, Tat; > Eleocharis obtusa (Willd.) Schult. var. ovata – GrPl; > Eleocharis obtusa (Willd.) Schult. var. peasei Svenson – NE, Pa; < Eleocharis ovata (Roth) Roem. & Schult. – C, Mo1, RAB

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Wetland Indicator Status:

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

Heliophily: 8