討論:Ageratum houstonianum

Flora of Taiwan, 1st edition；https://tai2.ntu.edu.tw/ebooks/FlTaiwan/4/776
Flora of Taiwan, 2nd edition；https://tai2.ntu.edu.tw/ebooks/FlTaiwan2nd/4/820
Ageratum houstonianum Mill.　ムラサキカッコウアザミ　標準；http://ylist.info/ylist_detail_display.php?pass=6404
《中国植物志》第74卷 (1985) >> 051页 PDF >> 熊耳草 Ageratum houstonianum；http://www.iplant.cn/info/Ageratum%20houstonianum?t=z
FOC Vol. 20-21 Page 879, 883；1. Ageratum houstonianum Miller, Gard. Dict., ed. 8. Ageratum no. 2. 1768.；熊耳草；http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=200023022
- Illustration；http://www.efloras.org/object_page.aspx?object_id=120393&flora_id=2

Ageratum houstonianum Mill. is an accepted name；http://www.plantlist.org/tpl1.1/record/gcc-11706

Ageratum houstonianum Mill；Mill., Gard. Dict. (ed. 8) no. 2 1768；https://www.biodiversitylibrary.org/page/394481#page/35/mode/1up

Ageratum houstonianum Mill；Kitam., A. P. G. 1: 282 (1932)；Kitamura, Siro 1932 An Enumeration of Compositae of Formosa I Acta Phytotax. Geobot. 1: 277-296
Ageratum houstonianum Mill；Kitam., A. P. G. 23: 5 (1968)；Kitamura, Siro 1968 Compositae of Southeast Asia and Himalayas I Acta Phytotax. Geobot. 23: 1-19
Ageratum houstonianum Mill；M.F.Johnson, Ann. Missouri Bot. Gard. 58: 21 1971；https://www.biodiversitylibrary.org/page/16158863#page/25/mode/1up
Ageratum houstonianum Mill；Hatus., Fl. Ryukyus: 608 (1971)；
Ageratum houstonianum Mill；E.Walker, Fl. Okinawa: 1016 (1976)；
Ageratum houstonianum Mill；S.W.Chung, Ill. Fl. Taiwan 7: 202 (2018)
Ageratum houstonianum Mill；Woodson, et.al, (Fl. Panama) Ann. Missouri Bot. Gard. 62: 904 f.13 1975；https://www.biodiversitylibrary.org/page/28005602#page/921/mode/1up
Ageratum houstonianum Mill；Stanley, Fl. S. E. Queensland 2: 504 f.70-D 1986；https://www.biodiversitylibrary.org/page/46703647#page/520/mode/1up
Ageratum houstonianum Mill；Tamamschjan, Fl. U.S.S.R. 25: 18 1999；https://www.biodiversitylibrary.org/page/29988264#page/56/mode/1up