Christella H. Lev.

15. Christella H.Lév. Christella is comprised of around 66 paleotropical species, from China and the Southeast of continental Asia to India, where the center of diversity of the genus is found. In the Neotropical region three species are recorded, with one naturalized, Christella dentata (Forssk.) Brownsey & Jermy (Fawcett & Smith 2021). In Brazil, three species are recorded, distributed principally in the Cerrado and Atlantic Rainforest biomes (Salino et al. 2023). In the study area, two species were recorded. Key for the species of Christella in the PNNRP, Brazil 1. Pinnae with acicular and glandular hairs; basal veins of adjacent segments always joining at the sinus; indusia with acicular and glandular hairs................................................................ 15.1. Christella conspersa 1’. Pinnae with only acicular hairs; basal veins of adjacent segments joining well below the sinus, rarely at the sinus; indusia with only acicular hairs ................................................................ 15.2. Christella hispidula