An inventory of the bryophytes of Loud Thunder Forest Preserve (Rock Island, IL) was conducted in order to improve the knowledge of the bryoflora of the county. In total, 38 species were identified, adding 19 new taxa to the county checklist (53 mosses and 9 liverworts). Most of the existing collections of the bryoflora in the area were made more than a century ago, and since the new additions are common species this suggests that moss and liverwort diversity in Rock Island County is still underexplored.

Eleven taxa in the lichen family Pannariaceae connected with boreal coniferous or nemoral broad-leaved forests are documented. Notes on their taxonomy, ecology and geography are provided. Fuscopannaria leprosa is new to Eurasia; Fuscopannaria poeltii, Pannaria insularis, Pannaria lurida ssp. russellii and Parmeliella miradorensis are new to Russia.

Seventy-four lichen species, identified from both modern and historical vouchers, are reported for Lizard Lick, Wake County, North Carolina. Like many granite flat rock areas in the southeastern United States, the Lizard Lick flora is a unique combination of Piedmont and Coastal Plain species. The Lizard Lick lichen flora shares 24 species in common with two similar, nearby granite flat rock sites, Temple Flat Rock Preserve and Turnipseed Nature Preserve. Species characteristic of granite flat rock habitats were found, including Peltula cylindrica and Pyrenopsis portoricensis; the latter collection represents the second record of this species for North America.