Constantinescu & Negrean, Herb. Mycol. Roman.O. Constantinescu ; G. Negrean [1851-3000]
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Cornell University Plant Pathology Herbarium
Catalog #: Herb.Myc.Rom.2630
s.n.
Bremia lactucae Regel
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USDA United States National Fungus Collections
Catalog #: BPI 1006342
s.n.
Bremia lactucae Regel
Romania
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University of Michigan Herbarium
Catalog #: 335391
G. Negrean #s. n. 22 September 1977
Bremia lactucae Regel
Romania, Distr. Sălaj, Şimleul Silvaniei.
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