Crotalaria montana var. angustifolia (Gagnep.) Niyomdham

POWO follows these authorities in synonymising this name:

• Ansari, A.A. & Chauhan, V. (2020). Crotalaria L. in India: A supplement: 1-152. M/S Bishen Singh Mahendra Pal Singh. [Cited as Crotalaria montana.]
• Balslav, H. & Chantaranothai, P. (2018). Flora of Thailand 4(3.1): 221-371. The Forest Herbarium, Royal Forest Department. [Cited as Crotalaria montana.]
• Ninkaew, S. & al. (2017). Crotalaria L. (Fabaceae: Faboideae) in continental Southeast Asia. Phytotaxa 320: 1-74. [Cited as Crotalaria montana.]
• le Roux, M., Silva Flores, A., Pandey, A.K. & Subramaniam, S. (2020). Personal communication on Fabaceae, Crotalaria 1. [Cited as Crotalaria montana.]

This name was accepted following an alternative taxonomy by these authorities:

• Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne. [Cited as Crotalaria montana var. angustifolia.]
• Iwatsuki, K., Boufford, D.E. & Ohba, H. (eds.) (2001). Flora of Japan IIb: 1-550. Kodansha Ltd., Tokyo. [Cited as Crotalaria montana var. angustifolia.]
• Lepschi, B. & Monro, A. (Project Coordinators) (2014). Australian Plant Census (APC) Council of Heads of Australian Herbaria. http://www.anbg.gov.au/chah/apc/index.html. [Cited as Crotalaria montana var. angustifolia.]
• Lock, J.M. & Ford, C.S. (2004). Legumes of Malesia a Check-List: 1-295. Royal Botanic Gardens, Kew. [Cited as Crotalaria montana var. angustifolia.]

International Legume Database and Information Service

• Niyomdham, C. (1978). Thai Forest Bulletin (Bot.) 11:105-181 Crotalaria in Thailand