Link to English Wikipedia entry: Columnea sulfurea
Link to French Wikipedia: Columnea
Link to EOL.org: Columnea sulfurea
Link to iNaturalist.org: Columnea sulfurea
Links to my pictures: Columnea sulfurea
Binomial Links for Columnea sulfurea on www.guenther-eichhorn.com
Dr. Günther Eichhorn Travel Website
Soaring website