– Washington Co., on rocks. Skorepa et al. (1979) – on acidic rock. Lecidea plebeja Nyl. [Lecideaceae] Syn.: Lecidea myriocarpoides Nyl. Skorepa et al. (1979) – on wood. Lendemer & Knapp (2007) - (2. Idylwild) Lecidella stigmatea (Ach.) Hertel & Leuckert [Lecanoraceae] Syn.: Lecidea stigmatea Ach. Skorepa et al. (1979) – on acidic rock. Lepraria caesiella R.C. Harris [Family Not Determined] Lendemer & Knapp (2007) - (2. Idylwild), (4. Sharptown) Lepraria aff. incana (L.) Ach. [Family Not Determined] Lendemer & Knapp (2007) - (1. Millington), (2. Idylwild) Lepraria lobificans Nyl. [Family Not Determined] Syn.: Lepraria finkii (B. de Lesd.) R.C. Harris E.G. Worthley Herbarium - Baltimore Co., Gunpowder River Area, on Quercus alba. E.C. Uebel Herbarium – Carroll Co., Liberty Reservoir, rock near water. Lendemer & Knapp (2007) - (2. Idylwild), (3. Chesapeake) Lepraria membranacea (Dickson) Vainio [Family Not Determined] Syn.: Leproloma membranaceum (Dickson) Vainio E.G. Worthley Herbarium - Frederick Co., Cunningham Falls. Lepraria neglecta (Nyl.) Erichsen [Family Not Determined] Syn.: Lepraria zonata Brodo = L.caesioalba or L. neglecta. Skorepa et al. (1977) – Baltimore Co., on acid rocks. Skorepa et al. (1979) – on bark, acidic rock. E.G. Worthley Herbarium - Frederick Co., Cunningham Falls; Montgomery Co., Great Falls. Leptogium azureum (Sw.) Mont. [Collemataceae] Skorepa et al. (1977) – Montgomery Co., Plummers Is. (collected by Fink). Skorepa et al. (1979) – on acidic rock. Leptogium cyanescens (Rabenh.) Körber [Collemataceae] Skorepa et al. (1977) – Worcester Co., on trunks of deciduous trees. Skorepa et al. (1979) – on bark, acidic rock. Biechele (2002) – lower eastern shore of Maryland. E.G. Worthley Herbarium - Baltimore Co., Gunpowder River, on vertical rocks; Frederick Co., Cunningham Falls. Lendemer & Knapp (2007) - (5. Hickory Pt.), (6. Pocomoke) Leptogium lichenoides (L.) Zahlbr. [Collemataceae] Skorepa et al. (1977) – Allegany Co., on bark of deciduous trees. Skorepa et al. (1979) – on bark, acidic rock. Leptogium phyllocarpum (Pers.) Mont. [Collemataceae] Biechele (2002) – lower eastern shore of Maryland. Leptogium subtile (Schrader) Torss. [Collemataceae] Syn.: Leptogium minutissimum (Flörke) Fr. Skorepa et al. (1977) – Montgomery Co., on rock ledge. Skorepa et al. (1979) – on acidic rock. Lichenoconium erodens M.S. Christ. & D. Hawksw. [Anamorphic Ascomycetes] Lendemer & Knapp (2007) - (5. Hickory Pt.) (on Lecanora cinereofusca) Lichenodiplis lecanorae (Vouaux) Dyko & D. Hawksw. [Anamorphic Ascomycetes] E.C. Uebel Herbarium – Baltimore Co., Liberty Reservoir, a specimen of Pertusaria xanthodes U-243, was collected growing on a small