[1]
Islas-Hernández, C.S., García, R.B. and Alvarado-Cárdenas, L.O. 2017.

New additions of Spigelia (Loganiaceae) in Mexico

. Phytotaxa. 331, 2 (Dec. 2017), 243–252. DOI:https://doi.org/10.11646/phytotaxa.331.2.8.