Carex aggregata Mackenzie. Section: [26d] Section 4.0 Phaestoglochin. Glomerate Sedge. Phen: May-Jun. Hab: Mesic to submesic forests and woodlands, fields, roadsides, other disturbed areas, especially over calcareous substrates. Dist: NY, ON, MN, and SD, south to nc. and nw. NC, TN, and OK.

ID notes:Other useful characters include: culms relatively smooth; pistillate scales sharp-pointed, the tip reaching to about the base of the perigynium; and perigynia nerveless.

Origin/Endemic status: Native

Synonymy: = Ar, F, FNA23, GrPl, Il, K1, K3, K4, Mi, Mo1, NY, Pa, Tn, Va, Mackenzie (1931-1935); = Carex sparganioides Muhl. ex Willd. var. aggregata (Mack.) Gleason – C, G; < Carex sparganioides Muhl. ex Willd. – RAB, Tat

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Wetland Indicator Status:

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

Heliophily: 7