Polytaenium lineatum (Sw.) J.Sm.
Descripción
Rhizomes short-creeping; rhizome scales lanceolate, 3–4 X 0.6–0.8 mm; fronds 6–30(–43) cm long, clumped; stipes alate, lightcolored, no darker than surrounding tissue; blades coriaceous or subcoriaceous, narrowly elliptic, 0.5–1(–1.5) mm wide, midribs stramineous to light green, not very evident; veins obscure, netted, those along blade margins also forming areoles; sporangia (sori) sunken in (1–)2–4 ± straight parallel rows on each side of the midvein; spores pale yellowish, hyaline; 2n=120 (Jam.).A
Forma de vida
EpífitaA
Ejemplar revisado
Chis (Breedlove 22152, 31524, 32213, DS, 56497, CAS; Münch 175, DS, P). Gro (Lorea 3039, US). Oax (Hallberg 1491, NY; Mickel 6190, NY, UC). Ver (Müller 434 NY; Purpus 254, US).A
Elevación
800 – 1600(– 2000) mA
Ecología y Hábitat
In wet forests of Atlantic and Pacific slopes.A
Tipo de vegetación
Bosque de neblina/mesófiloA
Categoría IUCN
No incluidaB
Categoría NOM-059-SEMARNAT-2010
No incluidaC
Discusión taxonómica
The parallel soral lines, usually in 4–6 rows, distinguish P. lineatum from congeners in Mexico.A