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Summary Attempts to identify a modern collection of Chromolaena ( Wood et al. 19515) proved problematic, especially when comparison of type material in K, against images of types in NY, was carried out. Examination of the type material of Eupatorium bangii Rusby (= Chromolaena bangii (Rusby) R. M. King & H. Rob.) has shown that the protologue...
Diploid hybrid plants (2n = 18) between sexual diploid cytotypes of Hieracium alpinum and H. umbellatum were found in the Ukrainian Eastern Carpathians. They were identified with H. × grofae Woł., originally used for the combination H. decipiens × H. umbellatum var. lactaris. As H. decipiens sensu Woł. (non Tausch) does not produce viable pollen grains and is most probably a polyploid apomict, it...
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