Ferns and lycophytes from Lagoa do Peri Municipal Park, Santa Catarina, Brazil Author Carmes, Amanda Angélica Author Dechoum, Michele de Sá Author Lima, Duane Fernandes Author de Gasper, Andre Luís Author B. Matos, Fernando Author Fiaschi, Pedro text Check List 2020 2020-10-02 16 5 1305 1322 http://dx.doi.org/10.15560/16.5.1305 journal article 10.15560/16.5.1305 1809-127X Parapolystichum effusum (Sw.) Ching Material examined. BRAZIL • Santa Catarina , Flo- rianópolis, PMLP; alt. 226 m ; 10 Mar. 2010 ; A. Stival- - Santos 1967 col.; BHCB 171039, FLOR 0059425, FURB 08022; HUCS 001340 . • ibid, trilha do Saquinho ; alt. 12 m ; 4 Mar. 2016 ; A.A. Carmes et al. 50 col.; FLOR 0062846 . Habitat. Dense Ombrophilous Forest. Habit. Terrestrial. Distribution pattern. Neotropical. Identification. Rhizomes short-creeping, covered with lanceolate, brown scales; leaves monomorphic; petioles stramineous to brown, densely covered with brown scales at the base; rachises adaxially covered with short, reddish hairs; blades up to 3-pinnate-pinnatifid, usually with a scaly proliferous bud in the axil of a distal pinna; pinnules adnate; sori round; and indusia absent. Not easily confused with any other species from the area.