Taxonomic status: Synonym

homotypic synonyms:
Castilleja haydenii (A. Gray) Cockerell; Castilleja haydenii (A. Gray) Greene;

protologue: Syn. Fl. N. Amer. 2(1): 297 (1878)
URL protologue: https://archive.org/stream/synopticalflorao21gray#page/297/mode/2up

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