Pyrethrum tchihatchewii (Boiss.) Reut. in Rev. Hort. 1868: 136. 1868
Pyrethrum tchihatchewii in Rev. Hort. 1868: 136. 1868
is new combination for Chamaemelum tchihatchewii in Tchichatscheff, Asie Min., Bot. 2: 256. 1860
Pyrethrum tchihatchewii in Rev. Hort. 1868: 136. 1868