]> Botany [published Umbilicaria antarctica Frey & I. M. Lamb] Frey, Eduard (-Stauffer) & Lamb, Ivan Mackenzie Frey, Eduard (-Stauffer) & Lamb, Ivan Mackenzie E. (-S.) Frey & I. M. Lamb Frey & I. M. Lamb Eduard Frey & Ivan Mackenzie Lamb; later Elke Mackenzie Eduard Frey & Lamb, Ivan Mackenzie