''Aegilops tauschii'', the Tausch's goatgrass or rough-spike hard grass, is an annual

grass Poaceae () or Gramineae () is a large and nearly ubiquitous family of monocotyledonous flowering plants commonly known as grasses. It includes the cereal grasses, bamboos and the grasses of natural grassland and species cultivated in lawns a ...

species. It is native to Crimea, the Caucasus region, western and Central Asia, Afghanistan, Pakistan, the western Himalaya, and parts of China, and has been introduced to other locales, including California.

Taxonomy

''Aegilops tauschii'' is part of the tribe Triticeae, along with

wheat Wheat is a grass widely cultivated for its seed, a cereal grain that is a worldwide staple food. The many species of wheat together make up the genus ''Triticum'' ; the most widely grown is common wheat (''T. aestivum''). The archaeologi ...

. It is a

diploid Ploidy () is the number of complete sets of chromosomes in a cell, and hence the number of possible alleles for autosomal and pseudoautosomal genes. Sets of chromosomes refer to the number of maternal and paternal chromosome copies, respectiv ...

(2n=2x=14, DD) goat grass species which has contributed the D

genome In the fields of molecular biology and genetics, a genome is all the genetic information of an organism. It consists of nucleotide sequences of DNA (or RNA in RNA viruses). The nuclear genome includes protein-coding genes and non-coding ...

common wheat Common wheat (''Triticum aestivum''), also known as bread wheat, is a cultivated wheat species. About 95% of wheat produced worldwide is common wheat; it is the most widely grown of all crops and the cereal with the highest monetary yield. T ...

Subspecies

The following subspecies are accepted: *''Aegilops tauschii'' subsp. ''strangulata'' – western part of range *''Aegilops tauschii'' subsp. ''tauschii''

References

tauschii Wheat Grasses of Asia Flora of the Crimean Peninsula Flora of the Caucasus Flora of Western Asia Flora of Central Asia Flora of West Himalaya Flora of Pakistan Flora of Xinjiang Flora of North-Central China Flora of Southeast China Plants described in 1849 {{Pooideae-stub