Sphenomeris retusa Maxon

, J. Wash. Acad. Sci. 3: 144 (1913). BHL
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External links to taxonomic opinions:
WFO POWO
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:17289830-1
Publication
Journal of the Washington Academy of Sciences. Baltimore, MD
Collation
3: 144
Date of Publication
1913
Family as entered in IPNI
Dennstaedtiaceae