Brodo, Irwin M.; Lendemer, James C. (2015). "A revision of the saxicolous, esorediate species of Ainoa and Trapelia (Baeomycetaceae and Trapeliaceae, lichenized Ascomycota) in North America, with the description of two new species". The Bryologist. 118 (4): 385–399. doi:10.1639/0007-2745-119.1.385. S2CID85927769.
Kärnefelt, Ingvar; Scholz, Peter; Seaward, Mark R. D.; Thell, Arne (2012). "Lichenology in Germany: past, present and future"(PDF). Schlechtendalia. 23: 1–90. Archived from the original(PDF) on 2022-01-21. Retrieved 2021-01-06. "Short biographies of 104 lichenologists who have played a key role in the development of German lichenology are provided." ("Aino Henssen" on pp. 41–43)
Brodo, Irwin M.; Lendemer, James C. (2015). "A revision of the saxicolous, esorediate species of Ainoa and Trapelia (Baeomycetaceae and Trapeliaceae, lichenized Ascomycota) in North America, with the description of two new species". The Bryologist. 118 (4): 385–399. doi:10.1639/0007-2745-119.1.385. S2CID85927769.
Kärnefelt, Ingvar; Scholz, Peter; Seaward, Mark R. D.; Thell, Arne (2012). "Lichenology in Germany: past, present and future"(PDF). Schlechtendalia. 23: 1–90. Archived from the original(PDF) on 2022-01-21. Retrieved 2021-01-06. "Short biographies of 104 lichenologists who have played a key role in the development of German lichenology are provided." ("Aino Henssen" on pp. 41–43)