Polypodium scouleri Hook. & Grev.
  • Icon. Filic. t. 56. 1828; HB. 342. Chr. 84 (1828)
  • Coast polypody

Cite taxon page as 'WFO (2023): Polypodium scouleri Hook. & Grev. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0001109253. Accessed on: 27 Mar 2023'

General Information

Stems conspicuously whitish pruinose, stout, 3--12 mm diam., bland to slightly sweet-tasting; scales concolored to weakly bicolored, uniformly dark brown or with pale margins and base, lanceolate, symmetric, margins denticulate. Leaves to 85 cm. Petiole stout, to 3 mm diam. Blade ovate-lanceolate, pinnatifid, usually widest just above base, to 27 cm wide, stiff and leathery; rachis sparsely scaly to glabrescent abaxially, glabrous adaxially; scales bicolored, ovate-lanceolate, much more than 6 cells wide. Segments oblong to linear, usually more than 12 mm wide; margins entire to crenulate; apex rounded to rarely broadly acute; midrib glabrous adaxially. Venation anastomosing, usually forming 1 row of areoles. Sori crowded against midrib, usually more than 3 mm diam., circular when immature. Sporangiasters absent. Spores usually less than 52 µm, rugose, surface projections less than 3 µm tall. 2 n = 74, 111.

  • Provided by: [B].Flora of North America @ efloras.org
    • Source: [
    • 1
    • ]. 

    Rhizomes creeping, glaucous, 5–6 mm diam.; rhizome scales lustrous brown, lanceolate, subconcolorous (castaneous centers with slightly paler narrow margins), entire to minutely denticulate near apices, 3–5 x 1.5–2 mm; fronds 13–30 cm long, distant; stipes 1/3–1/2 the frond length, orange-tan, with scales lanceolate to deltate-attenuate, slightly bicolorous; blades pinnatisect, lanceolate-deltate, very coriaceous, deltate, 8–10 cm wide; pinnae 3–8 pairs, 4–5 x 1–1.6 cm, oblong, entire, apices rounded; abaxial blade surfaces glabrous except for sparse dark, deltate, attenuate scales 2–4 mm long; adaxial blade surfaces glabrous; venation anastomosing, obscure; sori round, near costae, ca. 4 mm diam.; sporangia glabrous; 2n=74 (USA).

  • Provided by: [A].Memoirs of the New York Botanical Garden
    • Source: [
    • 2
    • ]. 


    Epiphytic in pine forests; 0–550 m. Canada (BC); USA (Calif, Ore, Wash); Mexico.

  • Provided by: [A].Memoirs of the New York Botanical Garden
    • Source: [
    • 2
    • ]. 

    Other Local Names

    Coast polypody

     Information From

    Memoirs of the New York Botanical Garden
    Descriptions of plants should be attributed to the full citation for each individual article, chapter or book that is the source for each record, which should include the authors of original publication.
    • A Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
    Flora of North America @ efloras.org
    'Flora of North America @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=1 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • B Flora of North America Association
    World Flora Online Data. 2021.
    • C CC0 1.0 Universal (CC0 1.0).
    World Flora Online Consortium
    World Flora Online Data. 2017.
    • D CC0 1.0 Universal (CC0 1.0).