Abstract
Dennstaedtiaceae Pic. Serm. sensu lato is a family contains about 20 genera and 175 species. The family is characterized by stem erect, short or very long-creeping, bearing trichomes or scales, or both, leaves pinnate or rarely simple, indusiate and marginal, submarginal or rarely abaxial sori, sporangia short to usually long-stalked, annulus interrupted by the stalk, spores lacking chlorophyll. Eight genera and twenty four species were found: Blotiella lindeniana (Hook.) R.M. Tryon, Dennstaedtia cicutaria (Sw.) T. Moore, D. cornuta (Kaulf.) Mett., D. dissecta (Sw.) T. Moore, D. globulifera (Poir.) Hieron., Histiopteris incisa (Thunb.) J. Sm., Hypolepis aquilinaris (Fée) Christ, H. repens (L.) C. Presl, H. stolonifera Fée, H. mitis Kunze, Lindsaea arcuata Kunze, L. bifida (Kaulf.) Mett. ex Kuhn, L. botrychioides St.-Hil., L. divaricata Klotzsch, L. guianensis ssp. lanceastrum K.U. Kramer, L. lancea (L.) Bedd. var. lancea, L. ovoidea Fée, L. quadrangularis Raddi ssp. quadrangularis, L. stricta (Aubl.) Dryand. var. stricta, L. virescens Sw. var. virescens, Paesia glandulosa (Sw.) Kuhn, Pteridium arachnoideum (Kaulf.) Maxon, Saccoloma elegans Kaulf. e S. inaequale (Kunze) Mett. Descriptions, identification keys, illustrations, geographical distribution, and comments of taxa are provided.
Key words:
ferns; floristics; taxonomy