Sub-species: Ptelea trifoliata subsp. trifoliata Date: 1903-04-28 Country: United States
Institution: Royal Botanic Gardens, Kew Collection: Herbarium Basis of record: Preserved specimen Catalogue number: Herbarium:K000717895 View record
Sub-species: Ptelea trifoliata subsp. trifoliata Date: 1903-05-09 Country: United States
Institution: Royal Botanic Gardens, Kew Collection: Herbarium Basis of record: Preserved specimen Catalogue number: Herbarium:K000717896 View record