Taxonomic status: Synonym

homotypic synonyms:
Phyllostegia ambigua (A. Gray) Hillebr.; Phyllostegia brevidens var. ambigua A. Gray;

protologue: Mem. Torrey Bot. Club 5: 288 (1894)
URL protologue: https://archive.org/stream/mobot21753000029438#page/288/mode/2up

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