The genus Phragmidium (Uredinales) comprises autoecious parasites of the subfamily
Rosoideae. More than 150 species names are known but only about 90 species are distinctive. …

Fungus spores resembling teliospores of the genus Nyssopsora (Pucciniales) were found in
a sample of Sakhalinian amber. Morphological features of the spores in the examined …

Specimens of the rust fungus Uromyces erythronii were recorded on Erythronium dens-canis,
a rare species listed in the Red Data Book of Ukraine, in April 2016 near Chemeryntsi …

The analysis of approaches for determining the critical size of the transition of a ferromagnet
into a single-domain state (dcr) was performed, and generalizations for the cases of …

The first record of fruit bodies of a microscopic fungus on the leaf of an unidentified
dicotyledonous plant in amber is reported. The fungus is represented by numerous superficial fruit …

Indirect exchange coupling in magnetic multilayers, also known as the Ruderman-Kittel-Kasuya-Yosida
(RKKY) interaction, is highly effective in controlling the interlayer alignment of …

Formulation of the problem. The urgency of improving the methodology of preparation for
the external examination in mathematics is currently beyond doubt. Earlier we found that …

Formulation of the problem. At present, any researches on the methodology of organizing
and conducting external independent assessment of academic achievements in mathematics …

Epiphytotic development of the rust fungus Endophyllum sempervivi was recorded in May
2016 in the cemetery of Borzova village (Volhynian Region, Ukraine) on Jovibarba globifera, a …

A description is provided for Puccinia punctiformis. Information is included on the disease
caused by the organism, its transmission, geographical distribution, and hosts. DISEASE: Rust …