Cryptogramma crispa (L.) R.Br.

  • Authority

    Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

  • Family


  • Scientific Name

    Cryptogramma crispa (L.) R.Br.

  • Description

    Species Description - Rhizome short and compactly branched, sclerified, beset with old petiole-bases, the scales 4–6 × 1–1.5 mm, with firm dark midstripe; lvs numerous, tufted, evergreen, firm, with stramineous to greenish petioles, those of the sterile lvs 3–15 cm, those of the fertile lvs longer (to 20+ cm) and nearly or fully equaling the sterile blades; sterile blades 2–11 × 1.5–6 cm, ca thrice pinnate, with ± rounded, toothed ultimate segments to 8 × 4 mm; fertile blades 4–14 × 1.5–5 cm, 2–3 times pinnate, the ultimate segments linear or linear-oblong, 4–12 × 1–2 mm, the margins broadly reflexed but not much modified, tending to open out as the sporangia mature; sori eventually covering the whole lower surface of the pinnule; 2n=60 (Amer. pls). Rock crevices; Que. to Alas., s. to n. Mich., ne. Minn., and N.M.; Eurasia. The Amer. pls are var. acrostichoides (R. Br.) C. B. Clarke. (C. a.)

  • Common Names