Sub-species: Ptelea trifoliata subsp. trifoliata Date: 1928-03-28 Country: United States
Institution: Royal Botanic Gardens, Kew Collection: Herbarium Basis of record: Preserved specimen Catalogue number: Herbarium:K004953428 View record
Sub-species: Ptelea trifoliata subsp. trifoliata Date: 1928-05-04 Country: United States
Institution: Royal Botanic Gardens, Kew Collection: Herbarium Basis of record: Preserved specimen Catalogue number: Herbarium:K004953429 View record