Index Herbariorum; IK; from E. Voss. 5 November. 1991 Barbara Parris' Fern Index; pers. comm. from Richard Rabeler to Kanchi Gandhi. Obit. in Castanea, 71(2): 89-93 (2006), incl. portr. & bibliogr.
Example of Name Published
Berendtiella coulteri (A.Gray) Thieret in Ceiba, 4: 305 (1955). Isoetes louisianensis Thieret in Sida, 5: 129 (1973).