Chamaemelum elongatum (DC.) Boiss., Diagn. Pl. Orient. 11: 20. 1849 Chamaemelum elongatum (DC.) Boiss., Diagn. Pl. Orient. 11: 20. 1849is new combination for Pyrethrum elongatum DC., Prodr. 6: 56. 1838Taxon for this nameChamaemelum elongatum (DC.) Boiss., Diagn. Pl. Orient. 11: 20. 1849