Blechnum spicant (L.) Sm.
  • Mém. Acad. Roy. Sci. (Turin) 1790-91: 411. 1793
  • Hard fern

Cite taxon page as 'WFO (2023): Blechnum spicant (L.) Sm. Published on the Internet; Accessed on: 25 Mar 2023'

General Information

Stems slender, short-creeping or ascending, not climbing. Leaves dimorphic, cespitose, erect or spreading, fertile leaves more erect and longer than sterile leaves. Petioles of fertile leaves reddish brown to purple-black, 15-60 cm, coarsely scaly proximally. Petioles of sterile leaves reddish brown, 2-30 cm, coarsely scaly proximally. Fertile blades erect, narrowly rhombic, 1-pinnate, without conform terminal pinna, 25-65 × 3-15 cm, glabrous. Sterile blades spreading, narrowly oblanceolate to linear-lanceolate, pinnatifid to apex and so without conform terminal pinna, 20-75 × 3-14 cm, tapering at base, glabrous. Rachises of fertile and sterile leaves with indument of filiform, spreading scales abaxially. Fertile pinnae not articulate to rachis, sessile, decurrent and surcurrent to rachis; larger pinnae slightly curved, linear, 25-32 × 1.5-2 mm; margins entire, slightly to moderately revolute; costae with indument of a few small scales abaxially, often concealed by sori. Sterile pinnae closely spaced, not articulate to rachis, base fully adnate; larger pinnae curved, linear to oblong-linear or barely wider beyond middle, 15-35 × 3.5-5 mm; margins entire. 2 n = 68.

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

    Distribution Map

    • Native distribution
    Found in
    • Europe Northern Europe Ireland

    Nationally Preferred Names

    Hard fernEnglishIE
    Raithneach chruaIrishIE

    Other Local Names

    Ceanabhán dubh chosachIrishIE
    Deer fern
    Black-footed canavawnEnglishIE
    Ceannabhán dubhcosachIrishIE
    Raithneach cruaidhIrishIE
    Raithneach (an) mhadraIrishIE

     Information From

    World Flora Online Data. 2021.
    • A CC0 1.0 Universal (CC0 1.0).
    Flora of North America @
    'Flora of North America @ eFloras (2008). Published on the Internet [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • B Flora of North America Association
    Irish Vernacular Names
    • C All Rights Reserved
    World Flora Online Data. 2021.
    • D CC0 1.0 Universal (CC0 1.0).
    World Flora Online Data. 2021.
    • E CC0 1.0 Universal (CC0 1.0).
    World Flora Online Data. 2022.
    • F CC0 1.0 Universal (CC0 1.0).