Alsophila setosa Kaulf.

Carmes, Amanda Angélica, Dechoum, Michele de Sá, Lima, Duane Fernandes, de Gasper, Andre Luís, B. Matos, Fernando & Fiaschi, Pedro, 2020, Ferns and lycophytes from Lagoa do Peri Municipal Park, Santa Catarina, Brazil, Check List 16 (5), pp. 1305-1322 : 1311

Alsophila setosa Kaulf.

Material examined. BRAZIL • Santa Catarina, Flori- anópolis, PMLP; alt. 35 m; 4 Oct. 2016; A.A. Carmes et al. 55 col.; FLOR 0062848 .

Habitat. Dense Ombrophilous Forest.

Habit. Terrestrial, arborescent.

Distribution pattern. Endemic to South America.

Identification. Rhizomes erect, arborescent, with persistent leaf bases; leaves monomorphic; petioles scaly and spiny at the base, with dark brown to black spines and scales with a dark apical seta; blades 2-pinnate-pinnatifid; adventitious pinnae or aphlebiae present at the base of the petioles; sori round; indusia hemitelioid. The other species of Cyatheaceae that occur in the area differ by petiole scales without a dark apical seta (vs dark apical seta present), absence of aphlebiae (vs aphlebiae

present at the base of petioles), and absence of indusia (vs indusia present).