作者

DEVOL, CHARLES E. and SHIEH, WANG-CHUENG

型態特徵

Vascular plants without roots; stems erect or pendent, dichotomously or unbranched; rhizomes mycorrhizal, with a protostele; aerial stem with a siphonostele. Leaves scale-like, lacking midrib, or elliptical with midrib. Sporangia borne in axils of leaves, 2-3 lobed, eusporangiate, homosporous. Gametophyte subterranean, cylindrical, mycorrhizal.

屬

Two living genera, one in Taiwan.

參考文獻