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New or rare chromosome counts in the genus Artemisia L. (Asteraceae, Anthemideae) from Armenia and Iran
Chromosome number reduction arising from fusion homozygosity was noted, confirming earlier studies on Artemisia species reported from Armenia and Iran.
New data about the genus Artemisia L. (Asteraceae) in Armenia
The known distribution area of Artemisia tournefortiana in Armenia is enlarged and the indigenousness of this species in Armenia concluded from its observed occurrence in associations of typical dry montane steppe steppe elements.
Sorbus armeniaca and the origin of hybridogenous species of Sorbus section Lobatae in Caucasus
The problems of origin of next hybridogenous species of Caucasus are discussed and it is shown that these forms are so isolated and viable that they have gained an independent area, which means that they turned into real species.
Crataegus gregorianii (Rosaceae), a new species from Armenia
A new peculiar species Crataegus gregorianii is described from the Dalar (Arzakan) River gorge, from Aparan floristic district of Armenia. The species clearly differs from the other hawthorns by
Poa greuteri (Poaceae), a new species from Armenia
Poa greuteri, a small, tufted high mountain perennial, is described as a species new to science and illustrated.