Conium maculatum Conium maculatum Conium maculatum, the hemlock or poison hemlock, is a highly poisonous biennial herbaceous flowering plant in the carrot family Apiaceae, native to Europe and North Africa. A hardy plant capable of living in a variety of environments, hemlock is widely naturalized in locations outside its native range. "Conium maculatum" is known by several common names. In addition to the English hemlock, the Australian carrot fern and the Irish devil's bread or devil's porridge, the following names are also used: poison parsley, spotted corobane and spotted hemlock. The plant should not be confused with the coniferous tree "Tsuga", also
Hystrix (plant) Other species placed in "Hystrix" have genomes more closely resembling those of "Leymus" species, and are better placed in that genus. Currently accepted transfers include: Hystrix (plant) Hystrix was a formerly recognized genus of grass (family Poaceae). The genus "Hystrix" was created in 1794 by Conrad Moench for the species described as "Elymus hystrix" by Carl Linnaeus in 1753. Moench considered that "E. hystrix" was sufficiently distinct to be placed in a separate genus as "Hystrix patula"; the genus was to be used for species without glumes or with long setaceous glumes. Subsequently a number of other grass species were