EcoFlora - Woodsia obtusa subsp. occidentalis

Woodsia obtusa subsp. occidentalis Windham
Family: Woodsiaceae western cliff fern Cecelia Alexander	FNA Resources Michael D. Windham in Flora of North America (vol. 2) Stems short- to long-creeping, individual branches usually 3--5 mm diam. Blade finely cut, 2-pinnate-pinnatifid. Proximal pinnules of lower pinnae usually deeply lobed or pinnatifid. Spores averaging 35--42 µm. 2 n = 76. Sporulating summer--fall. Cliffs and rocky slopes (rarely terrestrial); found on a variety of substrates but mostly sandstone and granite; 200--500 m; Ark., Kans., Mo., Okla., Tex. Woodsia obtusa subsp. occidentalis hybridizes with subsp. obtusa sporadically throughout the region of sympatry; the hybrids are sterile triploids with malformed spores.
Open Interactive Map Cecelia Alexander Cecelia Alexander $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ $Woodsia obtusa subsp. occidentalis image$ Click to Display 100 Initial Media - - - - - View All Media