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Euphrasia willkommii
Freyn
,
Flora
67: 681 (1884).
BHL
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External links to taxonomic opinions:
WFO
POWO
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:802961-1
Publication
Flora; oder, (allgemeine) botanische Zeitung. Regensburg, Jena
Collation
67: 681
Family as entered in IPNI
Scrophulariaceae
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