FIGURE 1. Polystichum luteoviride Li in Polystichum luteoviride (subg. Haplopolystichum; Dryopteridaceae), a new, highly endangered cave species from Guizhou, China

FIGURE 1. Polystichum luteoviride Li Bing Zhang, Yi F. Duan, N.T.Lu & Liang Zhang.—A. Inside view of the cave where the new species was discovered.—B, C. Habitats inside the cave.—D, E. Habit of the new fern in the cave.—F. Middle portion of abaxial surface of pinna of dried specimen.—G. Laminae.—H. Abaxial view of frond of dried specimen.—I. Mining activities threaten to destroy the habitat of the new species.