Elymus macgregorii R.E. Brooks & J.J.N. Campbell var. macgregorii . Early Wild-rye. Hab: Rich mesic forests, especially bottomlands. Dist: ME west to SD, south to Panhandle FL and s. TX.
Origin/Endemic status: Native
Taxonomy Comments: See Campbell (2000).
Synonymy: = Haines (2020c); < Elymus macgregorii R.E.Brooks & J.J.N.Campb. – Ar, FNA24, Il, K3, K4, Mi, NE, Tn, Va; < Elymus virginicus L. – C, ETx1, GW1, Pa, RAB, W, WV; < Elymus virginicus L. var. virginicus – F, G, K1, S, Tat
Wetland Indicator Status:
- Atlantic and Gulf Coastal Plain: FAC (taxonomic split from wetland indicator species)
- Eastern Mountains and Piedmont: FACW (taxonomic split from wetland indicator species)
- Great Plains: FAC (taxonomic split from wetland indicator species)
- Midwest: FACW (taxonomic split from wetland indicator species)
- Northcentral & Northeast: FACW (taxonomic split from wetland indicator species)
Heliophily: 5
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