Eleocharis acicularis (Linnaeus) Roemer & J.A. Schultes. Needle Spikerush. Phen: Jul-Sep. Hab: Drawdown shores of lakes, ponds, and rivers, marshes, ditches. Dist: Greenland, NL (Newfoundland), NU, and AK south to GA, TX, CA; Mexico, Central America, n. South America, Eurasia.

Origin/Endemic status: Native

Synonymy: = Ar, C, ETx1, FNA23, G, GrPl, GW1, K1, K3, Mex, Mi, Mo1, NcTx, NE, NY, Pa, RAB, S, Tat, Tn, Va, WH3; < Eleocharis acicularis (L.) Roem. & Schult. – Tx; > Eleocharis acicularis (L.) Roem. & Schult. var. acicularis – F, Il; > Eleocharis acicularis (L.) Roem. & Schult. var. gracilescens Svenson – Il; > Eleocharis acicularis (L.) Roem. & Schult. var. porcata S.G.Sm. – Il; > Eleocharis bella (Piper) Svenson – Il

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Wetland Indicator Status:

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

Heliophily: 9