New Colorado Species of Crataegus

[university of Colorado at Colorado Springs,colorado Springs, Colorado]

TWO NEW SPECIES OF MITOSPORIC FUNGI

In the present article, two new mitosporic spccies are introdued, namely: Cercospora fraxinicola Ershad, sp. nov. on Fraxinus rotundifolia and Ramularia rubicola Ershad, sp. nov. on Rubus caesicus.

NEW SPECIES OF TRICHODERMA FOR IRAN

Some 800 soil and rotten wood samples were collected from Gilan, Mazandaran and GolestanProvinces in the north of Iran. By using selective and general media, 217 Trichoderma isolates were obtained belonging to sections Longibrachiatum (69 isolates) and Pachybasium (148 isolates), respectively. Pure cultures were obtained by single conidium and single chain methods. Colony features were recorded...

TWO NEW SPECIES OF ALCEA FROM IRAN

Two new species of Alcea L. (Malvaceae)in Iran, namely, A. iranshahrii from Fars Province and A. mazandaranica from Mazandaran Province are described. Their descriptions and taxonomic relationships are also given. In addition, seed coat microsculpturing is examined using Environmental Scanning Electron Microscope (ESEM). The seed coat patterns observed are fairly uniformed among the genus. It w...

Study of Genetic Diversity among Crataegus Species (Hawthorn) Using ISSR Markers in Iran

Crataegus spp. are used for horticultural and medicinal purposes. The medicinal importance of Crataegus is attributed to components such as flavonoids, procyanidin, aromatic acid, and cardiotonic amines. The genetic relationships among the five Iranian Crataegus species including C. aronia, C. pontica, C. meiery, C. monogyna, and C. pentagyna were assessed using inter simple sequence repeats (IS...