Trichocentrum bicallosum (as Oncidium bicallosum) - Edwards vol 29 (NS 6) pl 12 (1843), 1843
Trichocentrum bicallosum (as syn. Oncidium bicallosum). Date: 1843.
Author: Miss Drake (1803-1857) del. , G. Barclay sc.Source: https://commons.wikimedia.org/Loading...