討論:Ulmus pumila
山羊百科,林文智老師的植物、山岳、攝影紀錄
- 《中国植物志》 第22卷 (1998) >> 356页 PDF >> 榆树 Ulmus pumila;http://www.iplant.cn/info/Ulmus%20pumila?t=z
- FOC Vol. 5 Page 6;9. Ulmus pumila Linnaeus, Sp. Pl. 1: 326. 1753.;榆树;http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=200006332
- Ulmus pumila L. is an accepted name;http://www.plantlist.org/tpl1.1/record/kew-2448824
- Ulmus pumila L., Sp. Pl. 1: 226 (1753).;https://www.biodiversitylibrary.org/page/358245#page/238/mode/1up
- Ulmus pumila L.;Rehder, Cycl. Amer. Hort. 4: 1882 1902.;https://www.biodiversitylibrary.org/page/22466553#page/466/mode/1up