Sub-species: Ptelea trifoliata subsp. polyadenia Date: 1945-07-10 Country: United States
Institution: Royal Botanic Gardens, Kew Collection: Herbarium Basis of record: Preserved specimen Catalogue number: Herbarium:K004953437 View record
Sub-species: Ptelea trifoliata subsp. polyadenia Date: 1945-07-21 Country: United States
Institution: Royal Botanic Gardens, Kew Collection: Herbarium Basis of record: Preserved specimen Catalogue number: Herbarium:K004953438 View record
Sub-species: Ptelea trifoliata subsp. polyadenia Date: 1945-07-22 Country: United States
Institution: Royal Botanic Gardens, Kew Collection: Herbarium Basis of record: Preserved specimen Catalogue number: Herbarium:K004953439 View record
Sub-species: Ptelea trifoliata subsp. polyadenia Date: 1949-05-24 Country: United States
Institution: Royal Botanic Gardens, Kew Collection: Herbarium Basis of record: Preserved specimen Catalogue number: Herbarium:K004953527 View record