Polypodium scouleri
coast, leathery polypody, Scouler's polypody
Specimens
Photos

Distribution: Occurring west of the Cascades crest in Washington; British Columbia south along the coast to California.

Habitat: Cliffs and rocky outcroppings along the coast.

Origin: Native

Conservation Status: Not of concern

Description:
General:

Perennials, usually lithophytes; stems stout, 3-12 mm in diameter, whitish pruinose, bland to somewhat sweet flavor; scales solid dark brown or with pale edges, lanceolate, margins finely toothed.

Leaves:

Leaves monomorphic, to 85 cm long and 27 cm broad on stout petioles to 3 mm in diameter; blade ovate-lanceolate, pinnafitid, typically widest just above base, stiff and leathery; rachis sparsely scaly to glabrescent beneath and glabrous above; scales dark brown with pale edges, ovate-lanceolate, greater than 6 cells wide; segments oblong to linear, usually more than 12 mm broad, margins entire to finely scalloped; apex rounded or uncommonly broadly acute; midrib glabrous on upper surface; venation joining to usually form 1 row of areoles.

Spores:

Sori in 2 rows tightly spaced against midrib, usually larger than 3 mm in diameter, circular when immature; spores usually less than 52 micrometers, surfaces wrinkled.

Accepted Name:
Polypodium scouleri Hook. & Grev.
Publication: Icon. Filic. 1: 56. 1829. 1829.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Polypodium scouleri in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Polypodium scouleri checklist entry.

E-Flora BC: Polypodium scouleri atlas page.

CalPhotos: Polypodium scouleri photos.

USDA Plants: Polypodium scouleri information.

24 photographs:
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