A 19th-century protologue of the name of a new plant taxon: Taraxacum glabrum DC. Part of page 147 of part 1 of volume 7 of Candolle’s Prodromus systematis naturalis regni vegetabilis (Candolle, 1838: 147). Components of the protologue are as follows, with abbreviations in the original Latin expanded here using square brackets: Sequential species number within the genus Taraxacum: “11.”Binomial: “T[araxacum]. glabrum” (specific epithet: glabrous).Validating diagnosis, in Latin: “T[araxacum]. glabrum, ex omni parte glaberrimum […] rostro abbreviato.” (Taraxacum glabrum, in every part very glabrous […] with beak shortened).Symbol meaning perennial: “♃”.Statement of provenance and collector’s name: “in humidis montanis Dahuriae ad Nuchu-Doban legit cl[arissimo]. Turczaninow.” (in damp montane [places] of Dahuria at Nuchu-Doban gathered by the most illustrious Turczaninow).Unpublished synonyms cited from Candolle’s correspondence with Turczaninow: “Hieracium glabrum, et postea Leontodon nov[a]. sp[ecies]. Turcz[aninow]. ! in litt[eris].” (Hieracium glabrum, and afterwards Leontodon new species. Turczaninow ! [I have seen] in letters/correspondence).Comparison with a supposedly related species: “Affine T. glaucantho, sed […]” (Akin to T. glaucanthum, but …).Indication that a specimen has been seen by Candolle: “(v[idi]. s[iccam]. comm[unicatam]. à cl[arissimo]. inv[entore].)” (I have seen a dry [plant, i.e. specimen] communicated by the most illustrious discoverer [i.e. Turczaninow]).