bark. Parmotrema eurysacum (Hue) Hale [Parmeliaceae] Syn.: Parmelia eurysaca Hue Skorepa et al. (1977) – Baltimore Co. (collected by Plitt). Skorepa et al. (1979) – on bark. Parmotrema gardneri (Dodge) Serux. [Parmeliaceae] Biechele (2002) – lower eastern shore of Maryland. Parmotrema hypoleucinum (B. Stein) Hale [Parmeliaceae] Biechele (2002) – lower eastern shore of Maryland. Parmotrema hypoleucinum (J. Steiner) Hale [Parmeliaceae] Lendemer & Knapp (2007) - (4. Sharptown), (6. Pocomoke) Parmotrema hypotropum (Nyl.) Hale [Parmeliaceae] Syn.: Parmelia hypotropa Nyl. Skorepa et al. (1977) – Kent Co., on trees. Skorepa et al. (1979) – on bark. Biechele (2002) – lower eastern shore of Maryland. E.G. Worthley Herbarium - Kent Co., on trees; Somerset Co., on deciduous trees; Wicomico Co.; Worcester Co., on bark of Pinus taeda. E.C. Uebel Herbarium – Baltimore Co.; Prince George's Co., on bark and boulder. Lendemer & Knapp (2007) - (1. Millington), (2. Idylwild), (4. Sharptown), (6. Pocomoke) Parmotrema margaritatum (Hue) Hale [Parmeliaceae] Syn.: Parmelia margaritata Hue Skorepa et al. (1979) – on bark. Parmotrema perforatum (Jacq.) A. Massal. [Parmeliaceae] Syn.: Parmelia perforata (Jacq.) Ach. Skorepa et al. (1977) – Charles Co., on deciduous trees. Skorepa et al. (1979) – on bark. Biechele (2002) – lower eastern shore of Maryland. E.G. Worthley Herbarium - Prince George's Co., on bark of oak; Worcester Co., Milburn Landing. Lendemer & Knapp (2007) - (5. Hickory Pt.) Parmotrema reticulatum (Taylor) M. Choisy [Parmeliaceae] Syns.: Parmelia reticulata Taylor, Rimelia reticulata (Taylor) Hale & Fletcher Skorepa et al. (1977) – Charles Co., on deciduous trees. Skorepa et al. (1979) – on bark. Biechele (2002) – lower eastern shore of Maryland. E.G. Worthley Herbarium - Lichens of Soldiers Delight; Worcester Co., on bark of Taxodium and Acer rubrum. E.C. Uebel Herbarium – Lichens of Soldiers Delight. Parmotrema stuppeum (Taylor) Hale [Parmeliaceae] Syn.: Parmelia stuppea Taylor Skorepa et al. (1977) – Garrett Co., on trunk of oak. Skorepa et al. (1979) – on bark. E.C. Uebel Herbarium – Baltimore Co., on bark of Norway Maple. Parmotrema subisidiosum (Müll. Arg.) Hale Biechele (2002) – lower eastern shore of Maryland. Lendemer & Knapp (2007) - (2. Idylwild), (5. Hickory Pt.), (6. Pocomoke) Parmotrema submarginale (Michx.) DePriest & Hale [Parmeliaceae] Syn.: Parmelia michauxiana Zahlbr. Skorepa et al. (1977) – Charles Co., on deciduous trees. Skorepa et al. (1979) – on bark. E.G. Worthley Herbarium - Calvert Co., Battle Creek Cypress Swamp, on bark; Worcester Co., Milburn Landing, on deciduous