Taxonomic status: Synonym

homotypic synonyms:
Phyllostegia ambigua (A. Gray) Hillebr.; Stachys ambigua (A. Gray) Britton;

protologue: Proc. Amer. Acad. Arts 5: 343 (1862)
URL protologue: https://archive.org/stream/proceedingsofame05amer#page/343/mode/2up

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