Template:Coppins & Fryday, 2006
- Coppins, B.J. & Fryday, A.M. 2006. Reassessment of some lichen species described by Josiah Lowe, and notes on some other North America lecideoid lichens. The Bryologist 109(1): 9–17. DOI: 10.1639/0007-2745(2006)109[0009:ROSLSD]2.0.CO;2
. JSTOR
. MSU (PDF)