There was one illustrations found for C. Yam
Onopordon sp.Bull. Soc. Bot. Genève, ser. 2, vol. 6 : p. 151, fig. 4.1-9 (1913-1915) [G. Beauverd]
Onopordon sp.Bull. Soc. Bot. Genève, ser. 2, vol. 6 : p. 151, fig. 4.10-12 (1913-1915) [G. Beauverd]
2 385827 Epidendrum cesar-fernandezii Carnevali & I.RamírezNovon, vol. 13 : p. 406, fig. 1 (2003) [C. Yam]