Sub-species: Physostegia virginiana subsp. praemorsa Date: 1994-08-25 Country: United States
Institution: Royal Botanic Gardens, Kew Collection: Herbarium Basis of record: Preserved specimen Catalogue number: Herbarium:K006044636 View record
Sub-species: Physostegia virginiana subsp. praemorsa
Institution: Royal Botanic Gardens, Kew Collection: Herbarium Basis of record: Preserved specimen Catalogue number: Herbarium:K006044637 View record
Sub-species: Physostegia virginiana subsp. praemorsa Date: 1958-08-12 Country: United States
Institution: Royal Botanic Gardens, Kew Collection: Herbarium Basis of record: Preserved specimen Catalogue number: Herbarium:K006044638 View record