Patrick Blanc in Cryptocoryne crispatula var. balansae river habitat, Khao Sok NP, Thailand, Aug. 1987
Dominique Besse and Patrick Blanc in a cave rich in fossils during preparation of the FAAP exhibition, Chapada do Araripe, Brazil, Feb. 2004
Patrick Blanc in Cryptocoryne crispatula var. balansae habitat around Chiang rai, Thailand, March 1983