Trichomanes L.

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