NUMERICAL TAXONOMIC STUDIES ON SPECIES IN ALLIUM SUBGENUS RHIZIRIDEUM

TAXONOMIC REVISION OF THE CYPERUS SUBGENUS CYPERUS IN IRAN

The genus Cyperus belongs to tribe Cypereae, subfamily Cyperoideae and family Cyperaceae that is the largest genus in this family after Carex. The classification of genus Cyperus is still unsettled because of morphological variations and therefore, makes determination of subgenera boundaries and species difficult. In Flora Iranica (KUKKONEN 1998) this genus was divided to six subgenera. In this...

NUMERICAL TAXONOMIC STUDY OF THE IRANIAN SPECIES OF ALYSSUM L. BASED ON MORPHOLOGICAL CHARACTERS

The genus Alyssum L. belongs to the subtribe Alyssinae, tribe Alysseae and family Cruciferae (Brassicaceae). This genus is one of the largest genera of the family of Cruciferae in Iran, and seems to be the most problematic genus in which the boundary of certain species is not completely clear due to the polymorphism of morphological characters. The main objective of this research is to stud...

A TAXONOMIC STUDY ON ALTERNARIA SPECIES IN IRAN (2)

In the continuation of studies on Alternaria species, some 500 isolates were obtained from seeds, soil and plant parts from various localities of Iran. Prior to morphological examination, pure cultures were obtained by single conidium and single chain methods. Descriptions for each taxon are based on cultures developed on potato carrot agar. Inoculated plates were incubated at 23-25°C under a c...

Taxonomic comments on Megachile subgenus Chrysosarus (Hymenoptera: Megachilidae)

Comments on the phylogenetic relationships and taxonomy of American leafcutter bees of the genus Megachile Latreille subgenus Chrysosarus Mitchell are provided. The South American subgenera Austrosarus Raw, Stelodides Moure, and Zonomegachile Mitchell are newly synonymized under Chrysosarus (new synonymies). 1 Department of Biological Sciences, 100 Campus Drive, Southwestern Oklahoma State Univ...

Taxonomic Studies on Canine and Feline Gastric Helicobacter Species