Studies in rusts (Uredinales) on Astragalus (Fabaceae)

Abstract

Four Uromyces species are described as new, viz. U. astragali-alopecuri sp. nov. on Astragalus alopecurus from Turkey, U. astragali-atropilosuli sp. nov. on A. atropilosulus subsp. bequaertii var. bequaertii from Kenya, occurring also in Ethiopia and Tanzania, U. astragali-pseudoutrigeris sp. nov. on A. pseudoutriger from Turkey, and U. semnanensis sp. nov. on A. fridae from Iran. Several new hosts (marked *) are reported for U. punctatus. This rust is reported as new to S America (in Chile).