Parmeliaceae

Vulpicida canadensis (Räsänen) J.-E.Mattsson & M.J.Lai

Vulpicida canadensis is a yellow foliose lichen endemic to northwestern North America that grows on conifer bark and wood.

Vulpicida pinastri (Scop.) J.-E.Mattsson & M.J.Lai

Powdered sunshine, Vulpicida pinastri, is an endangered foliose lichen in Parmeliaceae that grows on conifers and birch in North America and Eurasia.

Vulpicida juniperinus (L.) J.-E.Mattsson & M.J.Lai

Vulpicida juniperinus is a yellow Northern Hemisphere lichen, now considered one species or a complex of three former species.

Cetraria aculeata (Schreb.) Fr.

Cetraria aculeata (spiny Iceland lichen) is a widely distributed fruticose soil lichen in the Parmeliaceae family.

Cetraria islandica (L.) Ach.

Cetraria islandica is an edible lichen with historical and traditional food and medicinal uses across northern North America and Europe.

Cetraria arenaria Kärnef.

Cetraria arenaria Kärnef. is a rare-fruiting lichen found in temperate lowland habitats across central and northeastern North America.

Letharia columbiana (Nutt.) J.W.Thomson

Letharia columbiana is a yellow-green lichen identifiable by its brown spore-bearing fruiting bodies, found in western North American mountain forests.

Letharia vulpina (L.) Hue

Letharia vulpina, commonly wolf lichen, is a toxic yellow fruticose lichen with historical poison uses and some medicinal and decorative uses.

Letharia lupina Altermann, S.D.Leav. & Goward

Letharia lupina is a fruticose wolf lichen widely distributed across North America, with extra occurrences in Morocco and Switzerland.

Parmelia sulcata Taylor

Parmelia sulcata is a widespread common foliose lichen documented with detailed morphology, ecology and traditional uses

Parmelia saxatilis (L.) Ach.

Parmelia saxatilis is a lichen that usually grows on rock, and has been used to make traditional dyes for cloth.

Parmelia squarrosa Hale

Parmelia squarrosa Hale is a foliose lichen found across North America, Europe, and eastern Asia in humid forest habitats.

Parmelia omphalodes (L.) Ach.

Parmelia omphalodes is a widely distributed foliose lichen in Parmeliaceae, first described in 1753 and reclassified to Parmelia in 1803.

Parmelia submontana Hale

Parmelia submontana is a foliose bark lichen widespread across Europe, with documented northward range expansion in recent decades.

Xanthoparmelia plittii (Gyeln.) Hale

Xanthoparmelia plittii is a foliose lichen in the Xanthoparmelia mexicana species group, found across North America, South America, and Europe.

Xanthoparmelia cumberlandia (Gyeln.) Hale

Xanthoparmelia cumberlandia is a North American lichen that grows on acid rocks in sheltered lower elevation areas.

Xanthoparmelia conspersa (Ehrh. ex Ach.) Hale

Xanthoparmelia conspersa is a rock-dwelling lichen found across multiple continents, with identifiable physical and chemical traits.

Xanthoparmelia camtschadalis (Ach.) Hale

Xanthoparmelia camtschadalis is a foliose lichen found in high elevation regions worldwide, with distinct colored thallus surfaces and dark brown apothecia.

Xanthoparmelia chlorochroa (Tuck.) Hale

Xanthoparmelia chlorochroa, the tumbleweed shield lichen, is a mobile foliose lichen with recorded uses and links to livestock and wildlife poisoning.

Xanthoparmelia mougeotii (Schaer. ex D.Dietr.) Hale

Xanthoparmelia mougeotii is a foliose rock lichen found across temperate regions worldwide.

Xanthoparmelia scabrosa (Taylor) Hale

Xanthoparmelia scabrosa is a widespread foliose lichen marketed (unsafely) as an erectile dysfunction treatment.

Xanthoparmelia semiviridis (F.Muell. ex Nyl.) O.Blanco, A.Crespo, Elix, D.Hawksw. & Lumbsch

Xanthoparmelia semiviridis is a rare, unattached rolling lichen found in southern Australia and parts of New Zealand's South Island.

Xanthoparmelia stenophylla (Ach.) Ahti & D.Hawksw.

Xanthoparmelia stenophylla is a foliose Parmeliaceae lichen that develops protective UVR-induced blue cortical pigment.

Xanthoparmelia loxodes (Nyl.) O.Blanco, A.Crespo, Elix, D.Hawksw. & Lumbsch

Xanthoparmelia loxodes is a widely distributed European foliose lichen from the family Parmeliaceae that grows on siliceous rocks.

Vulpicida canadensis (Räsänen) J.-E.Mattsson & M.J.Lai

Vulpicida pinastri (Scop.) J.-E.Mattsson & M.J.Lai