Clades:
Aspleniales; Aspleniineae;
Polypodianae;
Pteridophyta;
Plants.
Genera: Matteuccia, Onoclea, Onocleopsis, Pentarhizidium.
Region: north temperate.
Culture: Woodsia gave rise to pteridomania, obsessive fern collecting
Use: ornamental, for their delicate, feathery leaves, in shaded gardens.
Plant theoryOnocleaceae is treated as a family in the order
Aspleniales and Subclass
Aspleniidae. It is placed in subphase 2.
TaxonomyIn the Pteridophyte
Phylogeny Group classification of 2016
Onocleaceae is closely allied to
Blechnaceae and
Athyriaceae, sometimes placed in their order Blechnales.
Matteuccia struthiopteris was previously classified under the
Dryopteridaceae.
Woodsiaceae included the members of the families
Athyriaceae and Diplaziopsida-ceae.
BotanyFern; terrestrial.
Rhizomes: long- to short-creeping to ascending, and sometimes stoloniferous (Matteuccia and Onocleopsis).
Leaves: pinnatifid or pinnate-pinnatifid; strongly dimorphic, fertile fronds different from the sterile fronds; petioles have two vascular bundles uniting distally into a gutter-shape; veins are free or anastomosing, lacking included veinlets.
Spores: reniform; brownish to green.
Sori: enclosed by reflexed laminar margins; with membranous, often fugacious, true indusia.
Stages Remedies2
Woodsia obtusa5
Diplazium esculentum6
Diplazium wichurae7
Onoclea sensibilis8
Diplazium australe10
Diplazium maximum12
Matteuccia struthiopteris13
Onocleopsis hintonii15
Deparia lobato-crenata17
Deparia coniliix
Pentarhizidium orientale