Dykes's Analytical Key to the Genus Iris (under construction) Note: This Key is being developed further than Dykes original key. Annotations that were not his ar...
(SPEC) Iris eulefeldi Regel 1878?, Botanical author Regel 'Eulefeldi' (Edward August von Regel, 18 ); As Iris Eulefeldii Regel, in Act. Hort. Petrop, vol. v. p.83...