Patrick Blanc and Pascal Heni on slippery rock slab at the top of a waterfall, Nui Chua NP, Vietnam, Nov. 2019
Patrick Blanc observing a carpeting population of Selaginella tamariscina on sandy substrate, Nui Chua NP, Vietnam, Nov. 2019
Patrick Blanc observing a dense population of Selaginella tamariscina on exposed oblique rock slab, Nui Chua NP, Vietnam, Nov. 2019
Patrick Blanc under a single trunked fiercely spiny Catunaregam cf. spinosa, Nui Chua NP, Vietnam, Nov. 2019
Patrick Blanc among the fiercely spiny branches of Catunaregam cf. spinosa, Nui Chua NP, Vietnam, Nov. 2019
Patrick Blanc at the base of the stemless flowering Phoenix loureiroi growing on a steep slope, Hang Cop Waterfall, Dalat, Vietnam, Nov. 2019
Patrick Blanc looking at the elongate female inflorescence of Phoenix loureiroi, Hang Cop Waterfall, Dalat, Vietnam, Nov. 2019