Dothiorella ulmi
Encyclopedia
Dothiorella ulmi is a plant pathogen that causes die-back of elm
. It was first identified in 1929 on American elm (Ulmus americana) and was thought to belong to the order
Sphaeropsidales but was later described as Cephalosporium sp. before formally being identified as Dothiorella ulmi in 1937.
Elm
Elms are deciduous and semi-deciduous trees comprising the genus Ulmus in the plant family Ulmaceae. The dozens of species are found in temperate and tropical-montane regions of North America and Eurasia, ranging southward into Indonesia. Elms are components of many kinds of natural forests...
. It was first identified in 1929 on American elm (Ulmus americana) and was thought to belong to the order
Order (biology)
In scientific classification used in biology, the order is# a taxonomic rank used in the classification of organisms. Other well-known ranks are life, domain, kingdom, phylum, class, family, genus, and species, with order fitting in between class and family...
Sphaeropsidales but was later described as Cephalosporium sp. before formally being identified as Dothiorella ulmi in 1937.