高山瓶尔小草 gao shan ping er xiao cao

Plants 10-20 cm tall. Rhizomes erect, cylindrical. Common stalk 6.5-7.5 cm. Sterile lamina sessile, suborbicular or broadly ovate, ca. 3.5 × 3 cm, base cordate, apex rounded; areoles with included veinlets and smaller areoles. Sporophore arising from near base of sterile lamina. Spore surface coarsely reticulate.

Taiwan [Indonesia (Borneo)].

Ophioglossum austroasiaticum resembles O. reticulatum but differs from the latter in having coarsely reticulate spores only. This species needs further study.