Geranium caeruleum Lam., Encycl. 2: 654. 1788 Geranium caeruleum Lam., Encycl. 2: 654. 1788is earlier homonym of Geranium caeruleum DC., Prodr. 1: 642. 1824Taxon for this nameGeranium caeruleum Lam., Encycl. 2: 654. 1788