Chenopodium divaricatum Andrzejowski (1862: 132). Lectotype (designated here):— UKRAINE: Kherson (Херсон in Ukrainian), Kherson Region (KW-001002777!, image of the lectotype available at https://plants.jstor.org/stable/10.5555/al.ap.specimen.kw001002777). Protologue:—“ad sepis Jaorlik, Balta, Cherson ” [now the Yagorlyk (Ягорлик in Ukrainian) River, a tributary of the Southern Buh, in Odesa (Odessa) Region of Ukraine and in Moldova; the settlement of Yagorlyk (Iagorlîc in Moldovan/Romanian) is located on that river in Iagorlîc District of Moldova; Balta (Балта in Ukrainian) in Balta District, Odesa Region; and Kherson]. Published description (Andrzejowski 1862: 132):—“caule altissimo ramosissimo, ramis divaricatis, foliis subuniformibus, oblongo-rhombeo-hastatis, subdentatis, summis subintegerrimis, paniculae patentissimae, cymis subaphyllis, glomerulis minimis sessilibus, seminibus nitidis foveolatis; 4–5 pedale, sordide-virens”. Labels (KW-001002777):—(Label 1) “ Chenopodium divaricatum mihi. Cherson 1823”.(Label2)“ Ch.divaricatum Nob. caulibus ramosiss. patentiss. foliis oblongo-hastatis [the word rhombeo - added above oblongo-hastatis] dentatis, summis subintegerrimis linearis, glomer. sessilibus, racemis paucifoliis paniculatis, sem. nitidis subfoveolatis. Chers. 1823. Hbr. Andrz.” Another specimen (KW-001002778!, image available at https://plants.jstor.org/stable/10.5555/al.ap.specimen. kw001002778) has the following label: “ Ch. divaricatum Nob.! sem. nitida excavato punct. Cherson ad vias in ipsae urbe descendendo ad portum 1823”.

Published as part of Mosyakin, Sergei L., 2017, Notes on taxonomy and nomenclature of Chenopodium acerifolium and C. betaceum (C. strictum auct.) (Chenopodiaceae), pp. 139-154 in Phytotaxa 324 (2) on page 149, DOI: 10.11646/phytotaxa.324.2.3, http://zenodo.org/record/13698227