Trichomanes L.

Castro-Aguiar, Pedro Henrique, Fernandes, Rozijane Santos & Zappi, Daniela Cristina, 2025, Ferns of the Parque Nacional das Nascentes do Rio Parnaíba Brazilian Cerrado, Rodriguesia (e 00612024) 76, pp. 1-24 : 13

9. Trichomanes L.

Trichomanes is predominantly Neotropical, with this species in Asia consisting of sixty species ( Windisch 2014; PPG I 2016). Thirty-four species are recorded in Brazil, distributed in all the biomes, except the Pampa ( Gonzatti & Windisch 2023). Two species were recorded in the study area.

Key for the species of Trichomanes in the PNNRP, Brazil

1. Fronds 1-pinnate, with sparse to moderate hairs on the rachis, costae, and abundant false veins parallel to the true veins adaxially; sori sessile to short-pedicellate .................................9.2. Trichomanes pinnatum

1’. Fronds pinnatifid, with dense hairs on both sides, false veins absent; sori with involucrae immersed in the laminar tissue ..........................................................................................................9.1. Trichomanes pilosum