Sphaerostephanos validus (Christ) Holttum

, Kew Bull. 34(2): 224 (1979).
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External links to taxonomic opinions:
WFO POWO
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:17556990-1
Publication
Kew Bulletin. Kew, England
Collation
34(2): 224
Date of Publication
9 Nov 1979
Family as entered in IPNI
Thelypteridaceae