Constantinescu & Negrean, Herb. Mycol. Roman.O. Constantinescu ; G. Negrean [1851-3000]
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Cornell University Plant Pathology Herbarium
Catalog #: Herb.Myc.Rom.2620
s.n.
Bremia lactucae Regel
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USDA United States National Fungus Collections
Catalog #: BPI 1006332
s.n.
Bremia lactucae Regel
Romania
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University of Michigan Herbarium
Catalog #: 335398
G. Negrean #s. n. 11 September 1976
Bremia lactucae Regel
Romania, Distr. Maramureş, Baia-Mare, Valea borcutului.
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