Polypodiopsida

Polypodiopsida

[‚päl·i‚päd·ē′äp·səd·ə]
(botany)
A class of the division Polypodiophyta; stems of these ferns bear several large, spirally arranged, compound leaves with sporangia grouped in sori on their undermargins.
References in periodicals archive ?
The family Blechnaceae (Polypodiopsida) in Brazil: key to the genera and taxonomic treatment of Austroblechnum, Cranfillia, Lomaridium, Neoblechnum and Telmatoblechnum for southern and southeastern Brazil.
Diversity and composition of lycophytes and polypodiopsida of the paramo de Anaime, Cajamarca, Tolima, Colombia
Azolla is a small free floating aquatic fern belong to Phylum-Pteridophyta, Class Polypodiopsida, Order Salviniales, Family Azollaceae with a monotypic genus (Wagnar, 1997).
MORAN, R.C., 1995a.--Five new species and two new combinations of ferns from Ecuador (Polypodiopsida).
Pietrobom, " Dryopteridaceae and Lomariopsidaceae (Polypodiopsida) from Embrapa's Eastern Amazonia field station, Moju, Para, Brazil," Rodriguesia, vol.
2008: Primer registro de Cyatheafulva (Cyatheaceae, Polypodiopsida) en el Estado de Mexico.
X X Verbenaceae Lantana scabiosiflora Kunth X Verbena litoralis Kunth X Polypodiopsida Pteridaceae Adiantum poiretii Wikstr.
Ferns including Psilotopsida, Equisetopsida, Marratiopsida, and Polypodiopsida are currently the second most species rich plant clade after angiosperms and are characterized by large diploid base numbers and hybrid swarms.
Species Families Genera Native Non Native Total Polypodiopsida (ferns) 4 4 4 0 4 Pinopsida (gymnosperms) 1 1 1 0 1 Liliopsida (monocots) 14 50 90 22 112 Magnoliopsida (dicots) 64 182 206 33 239 Totals 83 237 301 55 356 Table 2.