Notholaena greggii (Mett. ex Kuhn) Maxon

국표에 없다.

Stem scales strongly bicolored, margins brown, broad and well defined, thin, erose to denticulate. Leaves 4–20 cm. Petiole light brown, equal to or somewhat shorter than blade, grooved or flattened adaxially, bearing scattered glands and a few scales near base. Blade narrowly deltate, 2–3-pinnate, 2–4 times longer than wide, abaxially with conspicuous whitish farina, scales absent, adaxially glandular; basal pinnae slightly larger than adjacent pair, ± equilateral, proximal basiscopic pinnules not greatly enlarged. Ultimate segments sessile or subsessile, narrowly adnate to costae or free; segment margins strongly revolute, often concealing sporangia. Sporangia containing 64 spores. 2n = 60.

Phenology: Sporulating summer–fall.
Habitat: Calcareous slopes and ledges, usually on limestone or gypsum
Elevation: 500–1000 m

Notholaena greggii - FNA (floranorthamerica.org)

 

 

 

https://youtu.be/OzIqLl7TvSA

https://youtu.be/_aInVqDRObU?t=551