Dig deeper at SERNEC, a consortium of southeastern herbaria.
Spermatophytes (seed plants): Angiosperms (flowering plants): Monocots: Commelinids: Commelinales
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John D. Byrd, Mississippi State University, Bugwood.org bug_1391178
Apparently arrived here earlier than M. keisak, but is distinctly less common, per Weakley's Flora.