I.Hansen From IPNI (maiden name) I.Degener From Meikle
Area of Interest
Pteridophytes, Spermatophytes
Information Source
Pichi Sermolli's list, 3 March 1991; Death year in: Star Advertiser, Obituaries: https://obits.staradvertiser.com/2018/04/24/isa-irmgard-degener/ (via Esser, Hans-Joachim; M)
Example of Name 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)