山羊百科，林文智老師的植物、山岳、攝影紀錄

• FOC Vol. 16 Page 204；2. Gomphocarpus physocarpus E. Meyer, Comm. Pl. Afr. Austr. 202. 1838.；钝钉头果；http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=210000667

• Gomphocarpus physocarpus E.Mey.　 フウセントウワタ　標準；http://ylist.info/ylist_detail_display.php?pass=12323

Gomphocarpus fruticosus auct. non (L.) W.T.Aiton；http://ylist.info/ylist_detail_display.php?pass=20159

• Gomphocarpus physocarpus E.Mey. is an accepted name；http://www.plantlist.org/tpl1.1/record/kew-2828854
• Gomphocarpus physocarpus E.Mey.；Mey., Comm. Pl. Afr. Austr. 202 1838.；https://www.biodiversitylibrary.org/page/350302#page/278/mode/1up

• Gomphocarpus physocarpus E.Mey.；M.Mizush. in J. J. B. 44: 346 (1969)；
• Gomphocarpus physocarpus E.Mey.；H.Huber in Dassanayake & Fosberg, Rev. Handb. Fl. Ceyl. 4: 75 (1983)；
• Gomphocarpus physocarpus E.Mey.；Goyder & Nicholas in Kew Bull. 56: 788 (2001)

• Asclepias physocarpa (E.Mey.) Schltr. is a synonym of Gomphocarpus physocarpus E.Mey.；http://www.plantlist.org/tpl1.1/record/kew-2655071

• Asclepias physocarpa (E.Mey.) Schltr.；Schltr., Bot. Jahrb. Syst. 21(54): 8 1896.；https://www.biodiversitylibrary.org/page/206342#page/783/mode/1up

• Asclepias physocarpa (E.Mey.) Schltr.；Schltr., J. Bot. 34: 453 1896；https://www.biodiversitylibrary.org/page/8967841#page/483/mode/1up
• Asclepias physocarpa (E.Mey.) Schltr.；Hook.f., Fl. Trop. Afr. [Oliver et al.] 4, 1: 572 1904；https://www.biodiversitylibrary.org/page/352386#page/337/mode/1up

Gomphocarpus fruticosus

• 《中国植物志》 第63卷 (1977) >> 390页 PDF >> 钉头果 Gomphocarpus fruticosus；http://www.iplant.cn/info/Gomphocarpus%20fruticosus?t=z
• FOC Vol. 16 Page 204；1. Gomphocarpus fruticosus (Linnaeus) W. T. Aiton, Hortus Kew. ed. 2. 2: 80. 1811.；钉头果；http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=200018607
  • Illustration；http://www.efloras.org/object_page.aspx?object_id=86478&flora_id=2

• Gomphocarpus fruticosus (L.) W.T.Aiton is an accepted name；http://www.plantlist.org/tpl1.1/record/kew-2828789

• Gomphocarpus fruticosus (L.) W.T.Aiton；Hortus Kew. ed.2 2: 80 1811.；https://www.biodiversitylibrary.org/page/48084081#page/90/mode/1up
• Asclepias fruticosa L., Sp. Pl. 1: 216 (1753).；https://www.biodiversitylibrary.org/page/358235#page/228/mode/1up