dispersa (Pers.) Sommerf. [Lecanoraceae] Skorepa et al. (1977) – Washington Co., on stone wall. Skorepa et al. (1979) – on calcareous rock, cement, other. E.G. Worthley Herbarium - Baltimore Co.; Washington Co., on rock outcrops. Lecanora expallens Ach. [Lecanoraceae] Syn.: Lecanora conizea (Ach.) Nyl. Skorepa et al. (1977) – St. Mary's Co., on trunks of Black Locust. Skorepa et al. (1979) – on bark, wood. E.G. Worthley Herbarium - Lichens of Soldiers Delight; St. Mary' Co., on trunk of Black Locust. Lecanora hagenii (Ach.) Ach. [Lecanoraceae] Skorepa et al. (1977) – Frederick Co., on old timbers. Skorepa et al. (1979) – on wood. Lecanora hybocarpa (Tuck.) Brodo [Lecanoraceae] Biechele (2002) – lower eastern shore of Maryland. Lendemer & Knapp (2007) - (1. Millington), (4. Sharptown), (5. Hickory Pt.), (6. Pocomoke) Lecanora imshaugii Brodo [Lecanoraceae] Biechele (2002) – lower eastern shore of Maryland. Lecanora minutella Nyl. [Lecanoraceae] Lendemer & Knapp (2007) - (2. Idylwild) Lecanora muralis (Schreber) Rabenh. [Lecanoraceae] Skorepa et al. (1977) – Montgomery Co., on rock ledges. Lecanora muralis var. versicolor (Pers.) Tuck. [Lecanoraceae] Syn.: Lecanora versicolor (Pers.) Ach. Skorepa et al. (1977) – Washington Co., on stone wall. Skorepa et al. (1979) – on acidic rock. Skorepa et al. (1979) – on acidic rock, calcareous rock. E.G. Worthley Herbarium - Washington Co., C & 0 canal, on shale. Lecanora polytropa (Hoffm.) Rabenh. [Lecanoraceae] Skorepa et al. (1979) – on acidic rock. Lecanora pulicaris (Pers.) Ach. [Lecanoraceae] Syn.: Lecanora coilocarpa (Ach.) Nyl. Skorepa et al. (1977) – Calvert Co., on deciduous trees. Skorepa et al. (1979) – on bark. E.C. Uebel Herbarium – Baltimore Co., on bark of Norway Maple. Lecanora strobilina (Spreng.) Kieffer [Lecanoraceae] Biechele (2002) – lower eastern shore of Maryland. E.C. Uebel Herbarium – Baltimore Co., on bark of Norway Maple; Prince George's Co., on bark of pines. Lendemer & Knapp (2007) - (2. Idylwild) Lecanora subpallens Zahlbr. - [Lecanoraceae] Lendemer & Knapp (2007) - (1. Millington), (2. Idylwild), (4. Sharptown) Lecanora thysanophora R.C. Harris [Lecanoraceae] Thomas E. Wilson, III (4 Dec 2006) – IMG_9960.JPG, photographed on tree trunk in woodland on eastern side of Baltimore County, MD. Lendemer & Knapp (2007) - (1. Millington), (5. Hickory Pt.) Lecanora xylophila Hue [Lecanoraceae] Syn.: Lecanora laevis Poelt (N.A. records are L. xylophila) Skorepa et al. (1977) – Baltimore Co., on wave-washed timbers. Skorepa et al. (1979) – on wood. Lecidea cyrtidia Tuck. [Lecideaceae] Skorepa et al. (1977)