This species belongs to a clade of small, 1-pinnate taxa and corresponds to part of the artificial genus Trichipteris. These plants formed a significant colony along a small slow-flowing stream along with Parapolystichum effusum ssp. divergens and Metaxya rostrata.
Collection Data (W. Testo 1006)
Classification & Common Names
- Class: Polypodiopsida
- Family: Cyatheaceae
- Genus: Cyathea J. E. Sm.
- Species: Cyathea williamsii (Maxon) Domin
- Common name(s):
- Location: Cerro Jefe – – Cerro Azul – Panamá – Panama.
- Coordinates: 9.225 N, 79.412 W
- Elevation: 700m