Photo Essay Photo Essay

Photographer: Libing Zhang

Cave Fern Diversity in Guizhou: Blechnum eburneum (Blechnaceae) in the middle and Pteris deltodon (Pteridaceae) in the upper right

Location: Guizhou, Dushan, Jichang, Shangdao Shengxiandong, alt. 845 m. 25.72154 N, 107.57591 E.
Blechnum eburneum: A hard fern growing on wet limestone rocks or rock fissures and common in Anhui, Chongqing, Fujian, Guangxi, Hunan, Hubei, Guizhou, Sichuan, and Taiwan.
Pteris deltodon: A brake fern exclusively occurring in limestone areas in Guangxi, Taiwan and Southwest China.