Pinguicula greenwoodii (Cheek)
- Oaxaca, Mexico
http://www.pinguicula.org/pages/Publications/P_greenwoodii_2.pdf
http://www.pinguicula.org/pages/plantes/pinguicula_greenwoodii.htm
http://www.pinguicula.org/A_world_of_Pinguicula_2/Pages/Postcard_14_5.htm