山羊百科，林文智老師的植物、山岳、攝影紀錄

• Euphorbia tithymaloides L.；This species is accepted；https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:102036-2
• Euphorbia tithymaloides L. is an accepted name；http://www.plantlist.org/tpl1.1/record/kew-82541

• Euphorbia tithymaloides L., Sp. Pl. 1: 453 (1753).；https://www.biodiversitylibrary.org/page/358472#page/465/mode/1up

• Euphorbia tithymaloides L.；Steinmann, Acta Botánica Mexicana 65: 49 2003；https://www.biodiversitylibrary.org/page/55809867#page/51/mode/1up

• Pedilanthus tithymaloides (L.) Poit. is a synonym of Euphorbia tithymaloides L.；http://www.plantlist.org/tpl1.1/record/kew-149264

• Pedilanthus tithymaloides (L.) Poit., Ann. Mus. Natl. Hist. Nat. 19: 390 T.19 f.1 (1812).；https://www.biodiversitylibrary.org/page/3499606#page/434/mode/1up

• Pedilanthus tithymaloides (L.) Poit.；Britton, Bahama Fl. 233 1920；https://www.biodiversitylibrary.org/page/19861295#page/245/mode/1up
• Pedilanthus tithymaloides (L.) Poit.；Bot. Reg. 10: 837 1824；https://www.biodiversitylibrary.org/page/132194#page/165/mode/1up
• Pedilanthus tithymaloides (L.) Poit.；Burger, Fl. Costaricensis 113: 139 1995；https://www.biodiversitylibrary.org/page/2638821#page/151/mode/1up

Euphorbia tithymaloides subsp. angustifolia

• Euphorbia tithymaloides subsp. angustifolia (Poit.) V.W.Steinm.；This subspecies is accepted；https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:60427455-2
• Euphorbia tithymaloides subsp. angustifolia (Poit.) V.W.Steinm. is an accepted name；http://www.plantlist.org/tpl1.1/record/kew-244845

• Euphorbia tithymaloides subsp. angustifolia (Poit.) V.W.Steinm.；Steinmann, Acta Botánica Mexicana 65: 49 2003；https://www.biodiversitylibrary.org/page/55809867#page/51/mode/1up
• Pedilanthus angustifolius Poit.；Ann. Mus. Hist. Nat. 19: 393 T.19 f.2 1812.；https://www.biodiversitylibrary.org/page/3499606#page/437/mode/1up