Parapolystichum effusum (Sw.) Ching

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 : 1312

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.