Luer, C.A., Escobar, R., Thesaurus Masdevalliarum, Eine Monographie der Gattung Masdevallia, A Monograph of the genus Masdevallia (2000) [939]
Thes. Masdevall.
[939]
Link to this page:
http://plantillustrations.org/volume.php?id_volume=6733 not available (localhost only)