討論:Spermacoce

山羊百科，林文智老師的植物、山岳、攝影紀錄

• Ward, Daniel B. 2011 Keys to the flora of Florida - 29, Spermacoce (Rubiaceae) Phytologia 93(3):275-282

• Spermacoce laevis Lam. - Sumatra Database http://134.76.19.22/sumatra/taxa/Rubiaceae/Spermacoce%20laevis