Synonyms: Calliclystis rectangulata; Chloroclystis rectangulata; Chloroclystis rectangulata nigrosericeata; Chloroclystis rectangulata rectangulata; Chloroclystis retangulata; Chloroclystis retangulata nigrosericeata; Chloroclystis retangulata retangulata; Eupithecia griseata (heterotypic); Eupithecia rectangularia; Eupithecia rectangulata; Geometra bischoffaria; Geometra subaerata; Pasiphila anthrax; Pasiphila bistrigata; Pasiphila brunneata; Pasiphila cydoniata; Pasiphila effusa; Pasiphila grisescens (heterotypic); Pasiphila joannisata; Pasiphila mediospoliata; Pasiphila viridata; Phalaena nigrosericeata; Phalaena rectangulata (homotypic); Phalaena sericeata; Phalaena viridulata; Pyralis mediana; Rhinoprora rectangulata