Taxa described by A.P. Khokrjakov

125 species and infraspecific taxa described by A.P. Khokrjakov are listed and commented. Names of 120 taxa are proved to be validly published (including 4 – as not legitimate and 3 – as replacement names), 5 – invalidly published (including Polygonum saxibetuletorum A.P. Khokhr. – published without diagnosis). For the first time it is shown that the names Astragalus hyalolepidoides A.P. Khokhr., Isatis pavlii A.P. Khokhr., Rhododendron ungeonticum A.P. Khokhr. et Mazurenko and Viola yuzufelensis A.P. Khokhr. are invalidly published. In addition, the list of 11 names labeled as new on the herbarium specimens and not published taxa is presented. For each taxon a full nomenclatural citation and barcodes of the main type specimens (holotypes, isotypes, lectotypes and isolectotypes). In cases of uncertainty in the type material status, barcodes of the original materials are given.