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Blechnum
Family: Blechnaceae
Blechnum image
  • FNA
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Clifton E. Nauman in Flora of North America (vol. 2)
Plants terrestrial or rarely on rock. Stems creeping to ascending or erect, slender to stout, sometimes climbing [rarely subarborescent]; scales brown or black. Leaves monomorphic or variously dimorphic, cespitose to scattered. Blades pinnatifid to 1-pinnate, rarely simple or 2-pinnate. Rachis and costae glabrous, scaly, or hairy abaxially. Veins free, often forked. Sori borne on vascular commissures parallel to costae, 1 per side, normally uninterrupted, linear, continuous along length of costa. Spores with perine smooth to variously winged or rugose. x = 28, 29, 31, 32, 34, 36.
Species within inventory project: North American Species Lists
Blechnum anthracinum
Image of Blechnum anthracinum
Blechnum appendiculatum
Image of Blechnum appendiculatum
Blechnum arcuatum
Image of Blechnum arcuatum
Blechnum areolatum
Image of Blechnum areolatum
Blechnum asplenioides
Image of Blechnum asplenioides
Blechnum auriculatum
Image of Blechnum auriculatum
Blechnum australe
Image of Blechnum australe
Blechnum austrobrasilianum
Image of Blechnum austrobrasilianum
Blechnum caudatum
Image of Blechnum caudatum
Blechnum confluens
Image of Blechnum confluens
Blechnum gracile
Image of Blechnum gracile
Blechnum gracilipes
Image of Blechnum gracilipes
Blechnum guayanense
Image of Blechnum guayanense
Blechnum hastatum
Image of Blechnum hastatum
Blechnum heringeri
Images
not available
Blechnum laevigatum
Image of Blechnum laevigatum
Blechnum lanceola
Image of Blechnum lanceola
Blechnum leopoldense
Images
not available
Blechnum longipilosum
Images
not available
Blechnum ludificans
Image of Blechnum ludificans
Blechnum malacothrix
Image of Blechnum malacothrix
Blechnum meridense
Image of Blechnum meridense
Blechnum nipponicum
Image of Blechnum nipponicum
Blechnum norfolkense
Image of Blechnum norfolkense
Blechnum occidentale
Image of Blechnum occidentale
Blechnum parrisii
Images
not available
Blechnum polypodioides
Image of Blechnum polypodioides
Blechnum punctulatum
Image of Blechnum punctulatum
Blechnum tomentosum
Image of Blechnum tomentosum
Blechnum x caudatum
Image of Blechnum x caudatum
Blechnum x confluens
Image of Blechnum x confluens
Blechnum x falciculatum
Images
not available
Blechnum x leopoldense
Images
not available
Blechnum x pampasicum
Images
not available
† blechnum anceps
Images
not available
† blechnum betijoquensis
Images
not available
† blechnum turbioense
Images
not available

The PCC, and this data portal, were made possible by funding from the National Science Foundation’s Advancing Digitization of Biological Collections (ADBC) program, grant numbers 1802504, 1802352, 1802134, 1802033, 1802270, 1802255, 1802239, 1802446, 1802305.
The pteridoportal taxonomic thesaurus is based on the Checklist of Ferns and Lycophytes of the World, generously provided by Michael Hassler.