Pteridium aquilinum var. pubescens Underw.

  • 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 var. pubescens Underw.

  • Description

    Species Description - Adaxial laminar surfaces with hairs more or less evenly distributed on costae, margins, and laminar tissue, terminal cell of costal hairs dark reddish brown; costae with lax pale hairs 0.3–0.5 mm long, clear brown stiff hairs sparse to absent; segments with scattered erect to curved hairs on costae and laminar surfaces abaxially (also on veins) and also evident on curved adaxial margins and indusial margins; indusia 0.25 mm or less wide.

  • Discussion

    Pteris aquilina L. var. pubescens (Underw.) Clute, Fern Bull. 15: 124. 1907. Type. No type designated by Underwood. Neotype (chosen here). U.S.A. California: San Bernardino Mts, Aug 1890, Parish s.n. (NY!).

    Reports of var. pubescens from other Mexican states are generally var. latiusculum.