Maryland. E.G. Worthley Herbarium - Baltimore Co.; Calvert Co.; Frederick Co. Anisomeridium polypori (Ellis & Everh.) M.E. Barr [Monoblastiaceae] Lendemer & Knapp (2007) - (4. Sharptown) Anzia americana Yoshim. & Sharp [Parmeliaceae] Lendemer & Knapp (2007) - (6. Pocomoke) Anzia colpodes (Ach.) Stizenb. [Parmeliaceae] Skorepa et al. (1979) – on bark. Lendemer & Knapp (2007) - (6. Pocomoke) Arctoparmelia centrifuga? (L.) Hale [Parmeliaceae] E.G. Worthley Herbarium - Baltimore Co., Owings Mills. Arthonia caesia (Flotow) Körber [Arthoniaceae] Skorepa et al. (1977) – Baltimore Co., trunk of oak. Skorepa et al. (1979) – on bark. E.C. Uebel Herbarium – Baltimore Co., Liberty Reservoir, on bark; Ridge Road, on bark. Lendemer & Knapp (2007) (1. Millington) Arthonia rubella (Fée) Nyl. [Arthoniaceae] Lendemer & Knapp (2007) - (5. Hickory Pt.), (6. Pocomoke) Arthopyrenia cinereopruinosa (Schaerer) A. Massal. [Arthopyreniaceae] Syn.: Arthopyrenia pinicola (Hepp) Mass. Skorepa et al. (1977) – Montgomery Co., trunk of elm. Skorepa et al. (1979) – on bark. Arthothelium interveniens (Nyl.) Zahlbr. [Arthoniales] Lendemer & Knapp (2007) - (6. Pocomoke) Aspicilia caesiocinerea (Nyl. ex Malbr.) Arnold [Hymeneliaceae] Syn.: Lecanora caesiocinerea Nyl. Skorepa et al. (1977) – Allegany Co., on shale outcrop. Skorepa et al. (1979) – on acidic rock. E.G. Worthley Herbarium - Lichens of Soldiers Delight; Montgomery Co., Great Falls. E.C. Uebel Herbarium – Baltimore Co., Liberty Reservoir, on acidic rock. Aspicilia cinerea (L.) Körber [Hymeneliaceae] Syn.: Lecanora cinerea (L.) Somm. Skorepa et al. (1977) – Baltimore Co., on rock ledges. Skorepa et al. (1979) – on acidic rock. E.G. Worthley Herbarium - Frederick Co., Cunningham Falls. Bacidia laurocerasi (Delise ex Duby) Zahlbr. subsp. laurocerasi [Bacidiaceae] Syn.: Bacidia atrogrisea (Delilse ex Hepp) Körber Skorepa et al. (1979) – on bark. Bacidia polychroa (Th. Fr.) Körber [Bacidiaceae] Syn.: Bacidia fuscorubella (Hoffm.) Bausch. Skorepa et al. (1977) – Baltimore Co., on trunks of deciduous trees. Skorepa et al. (1979) – on bark. Bacidia schweinitzii (Fr. ex E. Michener) A. Schneider [Bacidiaceae] Skorepa et al.. (1977) – Montgomery Co., on oak. Skorepa et al. (1979) – on bark. Biechele (2002) – lower eastern shore of Maryland. E.G. Worthley Herbarium – Lichens of Soldiers Delight; Anne Arundel Co., Baltimore Co., Wicomico Co. Lendemer & Knapp (2007) - (2. Idylwild), (4. Sharptown), (5. Hickory Pt.), (6. Pocomoke) Bacidia trachona (Ach.) Lettau [Bacidiaceae] Skorepa et al. (1979) – on calcareous rock. Bacidina egenula (Nyl.) Vězda [Bacidiaceae] Lendemer & Knapp (2007) - (5. Hickory Pt.) Bacidina inundata (Fr.)