Aristida geniculata Rafinesque. Northeastern Slim-spike Three-awn. Phen: Aug-Oct. Hab: Dry open habitats, disturbed areas. Dist: The distribution and habitats of A. geniculata and A. longespica in our area are poorly known, pending further field and herbarium investigation.
Origin/Endemic status: Native
Syn: = NY; = Aristida longespica var. geniculata – Ar, C, ETx1, FlGr, HC, K1, Mo1, NcTx, NE, Pa, Va, WH3; > Aristida intermedia – F, G, S, Tx; > Aristida intermedia var. intermedia – Il; < Aristida longespica – RAB, W, WV; > Aristida longespica – G, Tx; < Aristida longespica var. geniculata – FNA25, K3, Allred (1986); > Aristida longespica var. geniculata – F, Il
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