Microgramma nitida (J. Sm.) A.R. Sm.
Descripción
Rhizomes long-creeping, 3–6 mm diam.; rhizome scales 6–10 mm long, bicolorous, reddish brown with white margins on acroscopic portion, lance-attenuate with hair-like tips, appressed to spreading, peltate, margins erose; fronds dimorphic, rarely fertile, distant, coriaceous; stipes usually absent, rarely to 5 mm long, glabrous; sterile blades lanceolate to ovate-oblong, 5–12(–20) X 2–4 cm; fertile blades lanceolate to elliptic-lanceolate, 8–20 X (0.8–)1.4–2.5 cm, bases rounded to cuneate, apices obtuse to acute, rarely acuminate, glabrous; sori round, medial, soral scales 1–2 cells wide, hair-like, longer than sporangia, 1–1.3 mm long, sparse.A
Forma de vida
EpífitaA
Ejemplar revisado
Camp (Sanders 9737, UC). Chis (Davidse 9434, MEXU, UC). Hgo (Clark 6890, MO). Oax (Mickel 5811, ENCB, UC). Pue (Ventura A. 16041, ENCB). QR (Ucan 1410, MEXU, UC). Qro (Carranza et al. 4528, IEB, MEXU). SLP (Pringle 3355, DS, ENCB, LL, MEXU, MO, UC, US). Tab (Matuda 3304, MEXU, MICH, US). Tam (Palmer 308, MO, UC). Ver (Purpus 3817, UC). Yuc (Ucan & Burgos 1169, MEXU, UC).A
Elevación
0 – 900(– 2500) mA
Ecología y Hábitat
On tree trunks at usually low elevation.A
Tipo de vegetación
(Ucan 1169) Selva bajaB
Categoría IUCN
No incluidaC
Categoría NOM-059-SEMARNAT-2010
No incluidaD
Discusión taxonómica
This species closely resembles M. lycopodioides in its glabrous blades, but is easily distinguished by its thicker rhizomes with larger bicolorous scales.A