Sceptridium schaffneri (Underw.) Lyon
Descripción
Buds hairy; fronds (4–)10–40 cm long, sterile blades 8–12 X 12–16 cm, deltate, ternately compound to tripinnate-pinnatifid, mostly 3(–4)-pinnate; segments ovate, oblong or roundish, small, to 6 X 5 mm, margins serrulate to entire, all segments roughly the same size, terminal segment of each pinna not distinctly larger; leaf tissue fleshy, thick-herbaceous, glabrous or with a few hairs; sporophores inserted at or just below the ground surface, exceeding the sterile blades in height, commonly absent; 2n=ca. 90 (Méx).A
Forma de vida
TerrestreA
Ejemplar revisado
(Related to the synonym Botrychium schaffneri) Ags (Siqueiros D. 4315, IEB). Chih (Jones s.n., 26 Sep 1903, DS, F, MO). Chis (Breedlove 12920, DS, MICH). Col (Guizar Nolazco 1182, MEXU). DF (Pringle s.n., 19 Sep 1903, NMC). Dgo (McVaugh 21730, MICH). Gro (Rzedowski 26025, MICH). Hgo (Pringle 8922, CAS, GH, MICH, PH, UC). Jal (McVaugh 19629, MICH, NY). Méx (Hinton et al. 8301, GH, MO, NY, US). Mich (García López & Díaz B. 3895, IEB). Mor (Mendoza 55, UAMIZ). Nay (Breedlove 44529, DS). NL (Conteras Ocanas s.n., Nov 1985, UNL). Oax (Mickel 3944, NY). Pue (Purpus 5687, UC). Qro (Díaz Barriga 6908, IEB). SLP (Schaffner 25, NY). Son (Van Devender 95-390, ARIZ). Ver (Müller s.n., in 1855, NY).A
Elevación
1000 – 3050 mA
Tipo de vegetación
Bosque de pino-encinoA
Categoría IUCN
No incluidaB
Categoría NOM-059-SEMARNAT-2010
No incluidaC
Discusión taxonómica
(In relation to the synonym) Botrychium schaffneri is distinguishable from B. decompositum in having smaller, ovate to oblanceolate segments of relatively uniform size and shape. There is considerable variation in plant size and compactness.A