- Plants emerging from a crevice
- Plants emerging from a crevice
- Sterile leaf. The fertile and sterile leaves are markedly dimorphic
- Upper surface of a fertile leaf
- Fertile leaf with marginal sori and false indusium

There are several species of Saccoloma in tropical America that have been mistaken for the common lowland species S. inaequale pictured here. Saccoloma inaequale is most easily distinguished from the others by the nearly glabrous medium brown petioles, and relatively...
Tectaria vivipara forms dense stream-side colonies in the La Selva Biological field station.
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