Lendemer, J. C. 2011: A range extension for Heiomasia seaveyorum north of tropical southern Florida. - Opuscula Philolichenum 9: 85-87. [RLL List # 223 / Rec.# 32913] Abstract: New reports of Heiomasia seaveyorum extend the distribution of this sterile isidiate crustose lichen to include central and northern Florida. Detailed scanning electronic micrographs are also presented to illustrate the morphology of the species.