Dig deeper at SERNEC, a consortium of southeastern herbaria.
Spermatophytes (seed plants): Angiosperms (flowering plants): Monocots: Commelinids: Poales
Manual of the Grasses of the US (Hitchcock & Chase, 1950)
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Patrick D. McMillan pdmfsubverticillata_oclr
Panicle nodding, loose, open; branches spreading, spikelets toward the ends, per Manual of the Grasses of the United States.