Cryptogramma R. Brown. Parsley Fern.
A genus of about 10 species, of temperate Eurasia, North America, and South America.
ID notes: Cryptogramma stelleri is a small, bright green, thin-textured rock outcrop fern, the leaves pinnate-pinnatifid to 2-pinnate, with dimorphic (differentiated) sterile and fertile leaves. The upper petiole and rachis are green, differing from the often dark rachises of many of the outcrop ferns in the northern part of our region.
Ref: Alverson (1993) In Flora of North America Editorial Committee (1993b); Metzgar et al. (2013); Tryon, Tryon, & Kramer In Kramer & Green (1990); Zhang, Alverson, & Metzgar in FoC (2013). Show full citations.
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© Alan Cressler: Cryptogramma stelleri, Tannery Creek Canyon, Twin Waterfalls Plant Preserve, Michigan Nature Association, Munising, Alger County, Michigan 1 by Alan Cressler | Cryptogramma stelleri source | Original Image ⭷Feedback
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