Aristolochia elegans - Description of this liana with a photograph of a flower. - http://www.cybertruffle.org.uk/vinales/eng/aristolochia_elegans.htm
Aristolochia glandulosa - Description of this liana and a photograph. - http://www.cybertruffle.org.uk/vinales/eng/aristolochia_glandulosa.htm
Aristolochia tigrina - Description of this liana, endemic to Cuba, and a photograph. - http://www.cybertruffle.org.uk/vinales/eng/aristolochia_tigrina.htm
Aristolochia serpentaria - Virginia Snakeroot. - http://plants.usda.gov/java/profile?symbol=ARSE3