Rhinanthus alectorolophus, the European yellow-rattle, is a plant species of the genus Rhinanthus, native to Europe.
Rhinanthus (rattle) is a genus of annual hemiparasitic herbaceous plants in the family Orobanchaceae, formerly classified in the family Scrophulariaceae. The genus consists of about 30 to 40 species found in Europe, northern Asia, and North America, with the greatest species diversity (28 species) in Europe.