Cystopteris millefolia Mickel & Tejero
Descripción
Rhizomes short- to long-creeping, ca. 2 mm diam., not protruding beyond fronds; rhizome scales brown, membranous, lustrous, lanceolate, entire, ca. 1.5 mm, mixed with fine hairs; fronds 14–40 cm long, clumped; stipes 1⁄3–1⁄5 the frond length, stramineous, reddish brown and with scales to 3 mm long at the bases, mixed with hairs as on rhizomes, glabrous distally; blades lanceolate, tripinnate-pinnatifid to quadripinnate, 12–30 X 4.5–14 cm, with proximial 2–3 pinna pairs reduced; rachises glabrous or with scattered, minute, glandular hairs in adaxial grooves; pinnae 12–16 pairs, 2–8 cm long, more than two cells thick; segments linear, 1 mm wide; veins ending in small emarginations; indusia glabrous, entire.A
Ejemplar revisado
Méx (Barkley et al. 2346, LL; Barr 62-795, ARIZ; Bartholomew 2886, GH, MEXU; Beaman 2061, TEX; Flores F. 817, MEXU; Hinton 15711, TEX). Mich (Cruden 1068, GH, MICH; Hinton 13499, ARIZ, GH, LL, PH, TEX; Rzedowski 48315, MEXU). Mor (Pérez-García 766, UAMIZ, cited as Cystopteris reevesiana Lellinger by Riba et al., 1996, but the cited specimen is C. millefolia). A
Distribución
México (país) EndémicoA
Elevación
2200 – 3000 mA
Ecología y Hábitat
Wet mossy rocks in forest streams, moist banks.
A
A
Tipo de vegetación
Bosque de pinoA
Categoría IUCN
No incluidaB
Categoría NOM-059-SEMARNAT-2010
No incluidaC
Discusión taxonómica
Cystopteris millefolia is one of the most distinct of the segregates in the C. fragilis complex because of its finely divided blades.A
Bibliografía
C. SEMARNAT 2019: MODIFICACIÓN del Anexo Normativo III, Lista de especies en riesgo de la Norma Oficial Mexicana NOM-059-SEMARNAT-2010: 101 pp. – https://www.dof.gob.mx/nota_detalle.php?codigo=5578808&fecha=14/11/2019#gsc.tab=0 [accessed 2023-05-04 06:16]