討論:Bidens
山羊百科，林文智老師的植物、山岳、攝影紀錄
- Schulz, Bot. Jahrb. Syst. (Engl.) 50: 176-187 1913；https://www.biodiversitylibrary.org/page/42903882#page/677/mode/1up
- Schulz, Otto E.；Bidens chinensis (L.) Willd. und verwandte Arten.
- Sherff, Field Mus. Nat. Hist., Bot. 16: 1-346 1937；https://www.biodiversitylibrary.org/item/19728#page/7/mode/1up
- Sherff, Field Mus. Nat. Hist., Bot. 16: 347-709 1937；https://www.biodiversitylibrary.org/item/19720#page/9/mode/1up
- Sherff, Earl Edward；The genus Bidens
- Sherff, Bot. gaz. (Chic. Ill.) 64: 21-41 1917；https://www.biodiversitylibrary.org/page/35191858#page/36/mode/1up
- Sherff, Earl Edward；Studies in the Genus Bidens. IV
- Sherff, Bot. gaz. (Chic. Ill.) 70: 89-109 1920；https://www.biodiversitylibrary.org/page/35299094#page/117/mode/1up
- Sherff, Earl Edward；Studies in the Genus Bidens. V
- Sherff, Field Mus. Publ. Bot. 22: 567-573 1942；https://www.biodiversitylibrary.org/page/2368393#page/109/mode/1up
- Sherff, Earl Edward；Some new or otherwise noteworthy Mexican Coreopsideae (genera Heterosperma Cav. and Bidens L.) and a note on Xylosma hawaiiense Seem
