Conyza bifrons Linnaeus var. flosculosa Linnaeus, Species Plantarum 2: 862. 1753.
"Habitat in Pyrenaeis, Canada." RCN: 6224.
Lectotype (Reveal in Jarvis & Turland in Taxon 47: 358. 1998): [icon] " Eupatoria conyzoides maxima, Canadensis, foliis caulem amplexantibus " in Plukenet, Phytographia: t. 87, f. 4. 1691; Almag. Bot.: 141. 1696. - Typotype: Herb. Sloane 96: 26 (BM-SL) .
Current name: Inula bifrons L. ( Asteraceae).
Note: See comments under Conyza bifrons .