Enterosora

Kessler, Michael, Smith, Alan R., Øllgaard, Benjamin, Matos, Fernando B. & Moran, Robbin C., 2023, Prodromus of a fern flora of Bolivia. XLII. Update I., Phytotaxa 630 (3), pp. 183-210 : 197

Revised key to the Bolivian species of Enterosora

1 Blades (1) 2–3.5 cm wide, variably subentire to sinuate or crenate; sori immersed in depressions, in 3–5 series between midribs and blade margins ................................................................................................................................................................. E. trifurcata

- Blades mostly 4–10 cm wide, pinnatifid to pinnatisect; sori not immersed, in a single row on each side of the costae.

2 Blades glabrous (except sometimes close to rachises); sori basal, often touching the costae, but not extending to the segment tips ............................................................................................................................................................................................ E. dudleyi

- Blades setose; sori distal on the segments, not touching the costae ............................................................................. E. mathewsii