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"Coll. Lange-Bertalot, Botanisches Institut, Frankfurt am Main slide Eh-B 91",
"Coll. Østrup, Botan. Museum Copenhagen, Dänemark Praep. 3944",
+ "Coll. L.P.B.V. No. 0736",
+ "Coll. Ruhr University-Bochum, Inst. of Geology No. 11532",
+ "Coll. Paläontol. Inst. Univ. Bucuresti. Nr. 2515",
+ "Coll. Dr.h.c. R. Mundlos (Bad Friedrichshall, später Stuttgart) Inv. Nr. P 1396",
+ "Inst. Geological Sciences, Acad. Sci. Belarus, Minsk N 212 A",
+ "Coll. Lange-Bertalot, Bot. Inst., Univ. Frankfurt/Main, Germany",
+ "in coll. H. F. Paulus (Wien)",
};