Lugar de publicación
- The leaves got right again: DNA phylogenetics supports a sister-group relationship between Eurystyles and Lankesterella (Orchidaceae: Spiranthinae). 11:337-347. 2011
- ¿Las Sobralias se pueden clasificar? — El complejo de Sobralia warszewiczii. 11:239-243. 2011
- A revision of the Mexican and Central American species of Vanilla Plumier ex Miller with a characterization of their ITS region of the nuclear ribosomal DNA. 9:285-354. 2010
- Some new Sobraliae from Costa Rica and Panama. 9:475-485. 2010
- El sistema Lankester. The Lankester system.. 7:134. 2007
- Elleanthus ligularis, a name for a relatively common "new" sepecies of Elleantus sect. chloidelyna. 7:539-542. 2007
- Validation of four Malaxis species (Orchidaceae). 4:97. 2004