Pteridium aquilinum (L.) Kuhn

  • Authority

    Mickel, John T. & Smith, Alan R. 2004. The pteridophytes of Mexico. Mem. New York Bot. Gard. 88: 1-1054.

  • Family

    Dennstaedtiaceae

  • Scientific Name

    Pteridium aquilinum (L.) Kuhn

  • Description

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    Species Description - Fronds 0.5–1 m long; rachises slightly to strongly pubescent; blades lacking free lobes between segments; penultimate axes pubescent abaxially with white hairs, scattered, clear brown, straight hairs 1–1.5 mm long, adaxially with short, white hairs, red-tipped, glandular hairs confined to medial grooves; costae terete abaxially; laminar surfaces abaxially between costae and segment margins pubescent to glabrous on veins, adaxially with scattered to rare hairs only along reflexed margins, hairs 0.5–0.8 mm long, white; false indusia 0.2–0.8 mm wide with erose margins, with scattered to numerous long cilia, or glabrous.

  • Discussion

    Pteris aquilina L., Sp. Pl. 2: 1075. 1753. Type. Filix femina Fuchs, Hist. 596, misprinted 569. 1542. Figure of a plant from Europe. There is no specimen in the Linnaeus herbarium.

  • Distribution

    Terrestrial in open disturbed areas; 0–3300 m. North America, Mexico, Central America, Europe, Asia, Hawaii. Distinct by the penultimate axes with lax white hairs, often also with scattered straight clear brown hairs.

    Mexico North America| Central America| Europe| Asia| Hawaii United States of America North America|