Synonym: Aspleniineae; Eupolypods 2; Leptosporangiate Ferns.
Clades:
Polypodianae;
Pteridophyta;
Plants.
Members: 1 order
Aspleniales; 10 families:
Aspleniaceae,
Athyriaceae,
Blechnaceae,
Cystopteridaceae,
Diplaziopsidaceae,
Hemidictyaceae,
Onocleaceae,
Rhachidosoraceae,
Thelypteridaceae,
Woodsiaceae.
Habitat: terrestrial, epiphytic, and lithophytic.
TaxonomyIn the classification of the PPG
Aspleniidae is a monophylitic clade, in the Eupolypods.
Plant theoryIn the
Plant theory the
Aspleniidae are treated similarly to Ppg1.
Aspleniales is the only order in the subclass
Aspleniidae.
BotanyFerns; great ecological adaptability and morphological diversity.
Leaves: petioles with 2 vascular bundles, blechnoid ferns generally have at least 3.
Orders1
AsplenialesLiteraturePPG 1; A community-derived classification for extant lycophytes and ferns; Journal of Systematics and Evolution. 54 (6): 563–6032016; doi:10.1111/jse; 12229.
Rothfels Carl J & others; Overcoming Deep Roots, Fast Rates, and Short Internodes to Resolve the Ancient Rapid Radiation of Eupolypod II Ferns; Systematic Biology, 61-1, 490–509; 2012; doi:10.1093/sysbio/sys001.
Smith, Alan R & others; A classification for extant ferns; Taxon, 55-3, 705–731; 2006; doi:10.2307/25065646.