(2002) – lower eastern shore of Maryland. Lendemer & Knapp (2007) - (6. Pocomoke) Verrucaria calciseda DC. [Verrucariaceae] Skorepa et al. (1979) – on calcareous rock. Verrucaria fuscella (Turner) Winch [Verrucariaceae] Skorepa et al. (1979) – on calcareous rock. Verrucaria glaucovirens Grummann [Verrucariaceae] Syn.: Verrucaria virens Nyl. Skorepa et al. (1979) – on calcareous rock. Verrucaria muralis Ach. [Verrucariaceae] Skorepa et al. (1979) – on calcareous rock. Verrucaria nigrescens Pers. [Verrucariaceae] Skorepa et al. (1977) – Lichens of Soldiers Delight. Skorepa et al. (1979) – on calcareous rock. Verrucaria pinguicula A. Massal. [Verrucariaceae] Skorepa et al. (1979) – on calcareous rock. Xanthomendoza fallax (Hepp) Søchting, Kärnefelt & S. Kondr. [Teloschistaceae] Syn.: Xanthoria fallax (Hepp) Arn. Skorepa et al. (1977) – Worcester Co., on deciduous trees. Skorepa et al. (1979) – on bark, cement. Biechele (2002) – lower eastern shore of Maryland. Xanthomendoza fulva (Hoffm.) Søchting, Kärnefelt & S. Kondr. [Teloschistaceae] Syn.: Xanthoria fulva (Hoffm.) Poelt & Petutschnig E.C. Uebel Herbarium – Baltimore Co., Ridge Rd., on bark of Norway Maple. Xanthoparmelia angustiphylla (Gyelnik) Hale [Parmeliaceae] Syn.: Parmelia hypopsila Müll. Arg. = Xanthoparmelia hypopsila, but N.A. records are Xanthoparmelia angustiphylla. Skorepa et al. (1977) – Baltimore Co., on rock outcrop. Skorepa et al. (1979) – on acidic rock. Xanthoparmelia conspersa (Ehrh. ex Ach.) Hale [Parmeliaceae] Syn.: Parmelia conspersa (Ach.) Ach. Skorepa et al. (1977) – Garrett Co., on rock outcrop. Skorepa et al. (1979) – on acidic rock. E.G. Worthley Herbarium - Lichens of Soldiers Delight; Baltimore Co., Gunpowder River, on rock outcrops; Frederick Co. Xanthoparmelia cumberlandia (Gyelnik) Hale [Parmeliaceae] Syn.: Parmelia cumberlandia (Gyelnik) Hale Skorepa et al. (1977) – Baltimore Co., on rocks on hillside. Skorepa et al. (1979) – on acidic rock. Xanthoparmelia plittii (Gyelnk) Hale [Parmeliaceae] Syn.: Parmelia plittii Gyelnik Skorepa et al. (1977) – Washington Co., on rock outcrops. Skorepa et al. (1979) – on acidic rock. E.C. Uebel Herbarium – Lichens of Soldiers Delight. Xanthoparmelia subramigera (Gyelnik) Hale [Parmeliaceae] E.C. Uebel Herbarium – Prince George's Co., Berwyn Heights, on roof shingles (identified by Dr. Richard C. Harris). Xanthoparmelia tasmanica (Hook. f. & Taylor) Hale [Parmeliaceae] Syn.: Parmelia tasmanica Hook. f. & Taylor Skorepa et al. (1979) – on acidic rock. Xanthoparmelia viriduloumbrina (Gyelnik) Lendemer [Parmeliaceae] Syn: Parmelia taractica Kremplh. = Xanthoparmelia taractica (Kremp.) Hale – known from Mexico, but misidentifications for our area; specimens in eastern N.A. are X. viriduloumbrina. Skorepa et al. (1977) (Parmelia taractica)