山羊百科，林文智老師的植物、山岳、攝影紀錄

• Euphorbia characias L.；This species is accepted；https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:346016-1
• Euphorbia characias L. is an accepted name；http://www.plantlist.org/tpl1.1/record/kew-78963

• Euphorbia characias L., Sp. Pl. 1: 463 (1753)；https://www.biodiversitylibrary.org/page/358482#page/475/mode/1up

• Euphorbia veneta Willd. is a synonym of Euphorbia characias L.；http://www.plantlist.org/tpl1.1/record/kew-82707

• Euphorbia veneta Willd., Enum. Pl. [Willdenow] 1: 507 (1809)；https://www.biodiversitylibrary.org/page/59179041#page/523/mode/1up

• Euphorbia veneta Willd.；Bot. Reg 24: 6 1838；https://www.biodiversitylibrary.org/page/240776#page/20/mode/1up

Euphorbia characias subsp. wulfenii

• Euphorbia characias subsp. wulfenii (Hoppe ex W.D.J.Koch) Radcl.-Sm.；This subspecies is accepted；https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:50900550-1
• Euphorbia characias subsp. wulfenii (Hoppe ex W.D.J.Koch) Radcl.-Sm. is an accepted name；http://www.plantlist.org/tpl1.1/record/kew-78967

• Euphorbia characias subsp. wulfenii (Hoppe ex W.D.J.Koch) Radcl.-Sm.；Repert. Spec. Nov. Regni Veg. 79: 55 1968.
• Euphorbia wulfenii Hoppe ex W.D.J.Koch；Syn. Fl. Germ. Helv. 631 1837.；https://www.biodiversitylibrary.org/page/6133144#page/695/mode/1up