Chondrillinae

Güzel, Murat Erdem, Kilian, Norbert, Sennikov, Alexander N., Coşkunçelebi, Kamil, Makbul, Serdar & Gültepe, Mutlu, 2022, Caucasoseris, a new genus of subtribe Chondrillinae (Asteraceae: Cichorieae) for the enigmatic Prenanthes abietina, Willdenowia 52 (1), pp. 103-115 : 112

Key to genera of subtribe Chondrillinae

1. Capitula with more than 20 florets and simple blackish hairs present on involucre............... 2

– Capitula with fewer than 20 florets and involucre glabrous, arachnoid hairy, with simple bristles, or sparsely canescent-tomentulose............. 3

2. Involucral bracts in 3 or 4 series; achenes truncate; leaves ovate-cordate............ Caucasoseris

– Involucral bracts in 2 or 3 series; achenes beaked; leaves lanceolate or oblanceolate..... Willemetia

3. Pappus pale yellowish; achene apically smooth and distinctly attenuate; capitula with 9–15 florets...................................... Phitosia

– Pappus white; achenes apically with tubercles or scales and usually beaked; capitula with 5–12 florets............................... Chondrilla