dead oak branch. This crustose lichen contained a lichenicolous fungus and a sample of this fungus was sent to the Farlow Herbarium where it was forwarded to Dr. David Hawksworth, who identified it as Lichenodiplis lecanorae. Lobaria pulmonaria (L.) Hoffm. [Lobariaceae] Skorepa et al. (1979) – on bark. Biechele (2002) – lower eastern shore of Maryland. E.G. Worthley Herbarium - Frederick Co., Cunningham Falls. Lobaria quercizans Michaux [Lobariaceae] Skorepa et al. (1977) – Garrett Co., on trunk of deciduous tree. Skorepa et al. (1979) – on bark. Biechele (2002) – lower eastern shore of Maryland. E.G. Worthley Herbarium - Frederick Co., Cunningham Falls. Lendemer & Knapp (2007) - (5. Hickory Pt.) Loxospora pustulata (Brodo & Culb.) R.C. Harris [Loxosporaceae] Lendemer & Knapp (2007) - (2. Idylwild), (4. Sharptown) Melanelia culbersonii (Hale) Thell [Parmeliaceae] Syn.: Cetraria culbersonii Hale Skorepa et al. (1977) – Allegany Co., on exposed rock. Skorepa et al. (1979) – on acidic rock. E.G. Worthley Herbarium - Allegany Co., Dans Rock Overlook. Melanelixia subaurifera (Nyl.) O. Blanco et al. [Parmeliaceae] Syns.: Parmelia subaurifera Nyl., Melanelia subaurifera (Nyl.) Essl. Skorepa et al. (1977) – Allegany Co., on deciduous trees. Skorepa et al. (1979) – on bark. E.C. Uebel Herbarium – Baltimore Co., on bark of Norway Maple. Melanohalea exasperata (De Not.) O. Blanco et al.. [Parmeliaceae] Syns.: Parmelia exasperata De Not., Melanelia exasperata (De Not.) Essl. Skorepa et al. (1979) – on bark. E.G. Worthley Herbarium - Baltimore Co., Owings Mills. Metamelanea melambola (Tuck.) Henssen [Lichinaceae] Syn.Pyrenopsis melambola (Tuck.) Tuck. Skorepa et al. (1979) – on calcareous rock. Micarea erratica (Körber) Hertel, Rambold & Pietschmann [Micareaceae] Syn.: Lecidea erratica Körber Skorepa et al. (1977) – Baltimore Co., on pebbles. Skorepa et al. (1979) – on acidic rock. E.G. Worthley Herbarium - Garrett Co., Carey Run, in open field. Lendemer & Knapp (2007) - (2. Idylwild) Minutoexcipula mariana V. Atienza* (on Pertusaria) [Family Not Determined] Lendemer & Knapp (2007) - (4. Sharptown) Mycobilimbia berengeriana (A. Massal.) Hafellner & V. Wirth [Porpidiaceae] Syn.: Lecidea berengeriana (Massal.) Nyl. Skorepa et al. (1977) – Frederick Co., on oak trunks. Skorepa et al. (1979) – on bark. E.G. Worthley Herbarium - Montgomery Co., Great Falls, on old wood. Myelochroa aurulenta (Tuck.) Elix & Hale [Parmeliaceae] Syns: Parmelia aurulenta Tuck. Skorepa et al. (1977) – Baltimore Co., on rocks. Skorepa et al. (1979) – on bark, acidic rock. E.G. Worthley Herbarium - Baltimore Co., along