Lower Taxa Ixeris gracilis (DC.) Stebb.Ixeris makinoana (Kitam.) Kitam.Ixeris polycephala Cass.Ixeris sagittarioides (C. B. Clarke) Stebb. Related Synonym(s): Ixeris fontinalis DC. = Ixeris polycephala Cass.Lactuca polycephala (Cass.) C. B. Clarke = Ixeris polycephala Cass.
Lower Taxa
Related Synonym(s):
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