homotypic synonyms:
Lactuca petitiana species A. Rich.;
protologue: Englera 17: 231 (1997): 17: 231 (1997)
Launaea petitiana (A. Rich.) N.Kilian
Kew Bull., vol. 18 : p. 471, fig. 9 (1964-1966) [M. Grierson]
Launaea petitiana (A. Rich.) N.Kilian
H.F. de Jaubert, E. Spach, Ill. Pl. Orient., vol. 3 : t. 282 (1847-1850)
Lactuca petitiana species A. Rich.;
protologue: Englera 17: 231 (1997): 17: 231 (1997)
Launaea petitiana (A. Rich.) N.KilianKew Bull., vol. 18 : p. 471, fig. 9 (1964-1966) [M. Grierson]
Launaea petitiana (A. Rich.) N.KilianH.F. de Jaubert, E. Spach, Ill. Pl. Orient., vol. 3 : t. 282 (1847-1850)