Abstract
The chromosome numbers (CNs, 2n) and ploidy level (nx) according to the inferred basic chromosome number (x) are presented for 27 vascular plant species from 16 genera and 11 families: Amaryllidaceae: Allium; Asteraceae: Galinsoga; Caryophyllaceae: Dianthus; Geraniaceae: Erodium; Iridaceae: Crocus; Liliaceae: Fritillaria, Lilium, and Tulipa; Malvaceae: Malva; Onagraceae: Oenothera; Plantaginaceae: Chaenorhinum and Digitalis; Poaceae: Lolium, Panicum, and Setaria; Violaceae: Viola. The studied specimens originated from Europe (Bulgaria), Caucasus (Russia), West Asia (Turkey), Central Asia (Tajikistan), Siberia (Altai Republic, Novosibirsk Region, Republic of Buryatia, and Republic of Khakassia), and Russian Far East (Amur Region and Kamchatka Territory). The CN was for the first time established in Lolium × hybridum (2n = 28). For the other species, previously known CNs have been confirmed.
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