United States, Illinois, Effingham, Back of Cassidy's house
39.05977 -88.589857 +-30834m. WGS84
In ramis corticatis Quercus macrocarpae [= Quercus macrocarpa Michx.].
the packet marked "scrub oak prairie on limbs of tops of bur oak." place_pub:Mycologia 68:503-505. 1976.; occurrenceRemarks:The packet marked holotype. Isotypes: (BPI, NY, FH, IA, and in D. E. Cox's personal herbarium).