Eleocharis compressa Sullivant var. compressa . Flattened Spikerush. Phen: May-Jun. Hab: Limestone or mafic glades and barrens, riverside scours. Dist: QC, MN, SD, and CO south to VA, nc. NC, nw. GA, AL, MS, AR, and KS. See Ungberg (2022) for discussion of its occurrence in NC.
Origin/Endemic status: Native
Taxonomy Comments: See Brown & Marcus (1998).
Synonymy: = Ar, F, FNA23, Mi, NE, NY, Pa, Va; = Eleocharis compressa Sull. – NcTx, Tx; = n/a – RAB; < Eleocharis compressa Sull. – C, G, GrPl, GW1, Il, K1, K3, Mo1, WV
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: 8
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