Sticherus nigropaleaceus (J.W.Sturm) J.Prado & Lellinger

Matos, Fernando B., Bohn, Amabily & Labiak, Paulo H., 2020, The ferns and lycophytes of Reserva Natural Guaricica, Antonina, Paraná, Brazil, Check List 16 (1), pp. 183-206 : 194

Sticherus nigropaleaceus (J.W.Sturm) J.Prado & Lellinger

Figure 4H

Examined material. BRAZIL • 1 specimen; Fazenda Rincão ; 25°18′53″S, 048°41′46″W; alt. 30 m; 1 Mar. 2005; F.B. Matos & U. Ferreira 457 leg.; UPCB5104 • 1 specimen; same collection data as for preceding; F.B. Matos & U. Ferreira 460 leg.; UPCB5111 .

Identification. Characterized by long-creeping, scaly stems, 1–3 times pseudodichotomously forked leaves, pinnae opposite with a scaly resting bud between the forks, and penultimate segments pectinate. Pseudostipules also present between forks. Sori round, not indusiate. Sticherus nigropaleaceus differs from other species of the genus by having blackish scales on buds and rachises, as well as trifid pseudostipules.

Distribution and habitat. Endemic to Brazil, from Bahia to Rio Grande do Sul. Terrestrial along roads, trails, and forest edges.