Pteridium

Contains 3 accepted taxa overall.

Characteristics
Pteridium Gled. ex Scop.
BRACKEN FERN
Classification
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POLYPODIALES
Pteridium
Citation
PTERIDIUM Gleditsch ex Scopoli, Fl. Carniol. 169. 1760, nom. cons.
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TYPE: Pteridium aquilinum (Linnaeus) Kuhn (Pteris aquilina Linnaeus)
Species
Scientific Name Common Name Status Photos
Pteridium aquilinum var. caudatum LACY BRACKEN Native FACU (NWPL)
Pteridium aquilinum var. latiusculum EASTERN BRACKEN Native FACU (NWPL)
Pteridium aquilinum var. pseudocaudatum TAILED BRACKEN Native FACU (NWPL)
[Family identification key]
1.  Plants to ca. 2.5 m tall; ultimate leaf segments mostly 5-24 times longer than wide, 1-4(-6.5) mm wide, often appearing widely spaced;
1.  Plants to ca. 1 m tall; ultimate leaf segments mostly 2-8.5 times longer than wide, mostly 3-8 mm wide, mostly appearing closely spaced
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2.  Leaf segment margins sparsely to densely pubescent
2.  Leaf segment margins glabrous, rarely sparsely pilose