]> [author note: MASS, NY; plants of Hawaii] Birth name: nee Isa (Irmgard) Hansen. Example of Names Published: Asplenium gemmiferum var. enatum (Brack.) O. Degebner & I. Degener, Fl. Hawaiiensis Fam. 17d (1959); Aleurites erraticus O. Degebner, I. Degener & K. Hummel, Phytologia 38(5): 362 (1978). Botany Degener, Isa (Irmgard) Degener, Isa (Irmgard) I.Deg. I. Degener Isa (Irmgard) Hansen Isa (Irmgard) Degener 1924 2018