山羊百科，林文智老師的植物、山岳、攝影紀錄

Part I

• 《中国植物志》 第71(1)卷 (1999) >> 179页 PDF >> 雪花属 Argostemma；http://www.iplant.cn/info/Argostemma?t=z
• FOC Vol. 19 Page 57, 58, 62, 75；6. Argostemma Wallich in Roxburgh, Fl. Ind. 2: 324. 1824.；雪花属；http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=102547

• Bremer, Ann. Missouri Bot. Gard. 76: 7 1989；https://www.biodiversitylibrary.org/page/27999301#page/9/mode/1up

Bremer, Birgitta；THE GENUS ARGOSTEMMA (RUBIACEAE—ARGOSTEMMATEAE) IN BORNEO

Part II

• Argostemma borragineum - Plantillustrations.org
• Argostemma cordatum • A New Species (Rubiaceae) from southern Vietnam
• Argostemma laotica • A New Species (Rubiaceae) from Laos