Pyrethrum depauperatum Post in Bull. Herb. Boissier 3: 158. 1895 Pyrethrum depauperatum Post in Bull. Herb. Boissier 3: 158. 1895is basionym for Tanacetum depauperatum (Post) Grierson in Notes Roy. Bot. Gard. Edinburgh 33: 434. 1975This name is not assigned to any taxon.