Physostegia virginiana (USA)

Physostegia virginiana (L.) Benth., Edwards’s Bot. Reg. 15: t. 1289 1829. (syn: Dracocephalum denticulatum Aiton .; Dracocephalum formosius (Lunell) Rydb.; Dracocephalum lancifolium Moench [Illegitimate]; Dracocephalum louisianum Lem.; Dracocephalum regelii Voss [Invalid]; Dracocephalum speciosum Sweet; Dracocephalum virginianum L. ….; Physostegia denticulata (Aiton) Britton; Physostegia formosior Lunell .; Physostegia granulosa Fassett; Physostegia imbricata Hook.; Physostegia latidens House; Physostegia nivea Lundell; […]

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