Rosette lichen Physcia on a granite shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
Physcia lichen on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
Rosette of yellow map lichen (Rhizocarpon geographicum) on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
Rosette of crustose lichen Lecanora muralis (Protoparmeliopsis muralis) on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
Close-up of crustose lichen Lecanora muralis (Protoparmeliopsis muralis) on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
Brown crustose lichen on a granite shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
Close-up of elegant sunburst lichen Rusavskia elegans (formerly Xanthoria elegans) on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
Close-up of green moss on granite shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
Rock shield lichen (Xanthoparmelia) on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
Yellow map lichen (Rhizocarpon geographicum) on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
Grey crustose lichen Aspicilia on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
Growth of yellow map lichen (Rhizocarpon geographicum) on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
Circular round patch of yellow map lichen (Rhizocarpon geographicum) on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
Yellow map lichen (Rhizocarpon geographicum) and another crustose yellow lichen on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
Elegant sunburst lichen Rusavskia elegans (formerly Xanthoria elegans) on a granite boulder on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
Texture of elegant sunburst lichen Rusavskia elegans (formerly Xanthoria elegans) on a granite shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
Various crustose lichens on a granite shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
Texture of green moss on granite shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
Xanthoparmelia and Rhizocarpon geographicum lichens on a granite shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
Rapakivi granite with large round crystals on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
Granite rocks and a boat in Vyborg Bay from Gvardeysky Island. Vyborg, Russia, July 20, 2024
Common groundsel (Senecio vulgaris) on granite of Gvardeysky Island. Vyborg, Russia, July 20, 2024
Flowers of stonecrop (Sedum, Hylotelephium telephium(?)) on shore of Gvardeysky Island. Vyborg, Russia, July 20, 2024
Vyborg Bay from Gvardeysky Island. Vyborg, Russia, July 20, 2024
Shores of Gvardeysky Island. Vyborg, Russia, July 20, 2024
Mexican yolk lichen (Candelina submexicana) together with granite rosette lichen (Physcia halei) at the edge of a granite stone in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
A house at 40 Geroev Street in Gvardeysky Island. Vyborg, Russia, July 20, 2024
Close up of blue-gray rosette lichen Physcia caesia on a granite stone in dunes near the lake south from Mys Moryin Nos near Ladoga Lake, east from Saint Petersburg. Russia, May 14, 2019
Stones scattered on a granite base on a beach of Vyborg Bay on Storozhok Peninsula near granite quarry near Stony Trail (Kamenistaya Tropa) in Kivi Park south from Chulkovo, west from Vyborg. Russia, July 27, 2024
Rosette lichen (Physcia) on a granite tombstone in Boonville Cemetery. Bryan, Texas, January 27, 2019
Pine trees growing among granite stones on a beach of Vyborg Bay on Storozhok Peninsula near granite quarry near Stony Trail (Kamenistaya Tropa) in Kivi Park south from Chulkovo, west from Vyborg. Russia, July 27, 2024
Pattern of rosette lichen (Physcia) on a granite tombstone in Boonville Cemetery. Bryan, Texas, January 27, 2019
Grey lichen on a granite stone in Paltsevo Rock Massif near Svetogorsk Highway near Vyborg. Russia, July 20, 2024
Blue-gray rosette lichen Physcia caesia on a granite stone in dunes near the lake south from Mys Moryin Nos near Ladoga Lake, east from Saint Petersburg. Russia, May 14, 2019
Slender rosette lichen (Physcia subtilis) on a granite surface in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Narrow lobes of granite rosette lichen (Physcia halei) in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Texture of blue-gray rosette lichen Physcia caesia on a granite stone in dunes near the lake south from Mys Moryin Nos near Ladoga Lake, east from Saint Petersburg. Russia, May 14, 2019
Close up of crater lichen Diploschistes scruposus on granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
Close up of hoary rosette lichen Physcia aipolia on a fallen aspen tree near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
Granite boulders in Vyborg Bay near Stony Trail (Kamenistaya Tropa) in Kivi Park south from Chulkovo, west from Vyborg. Russia, July 27, 2024
Large granite stone in Vyborg Bay near Stony Trail (Kamenistaya Tropa) in Kivi Park south from Chulkovo, west from Vyborg. Russia, July 27, 2024
Granite stones on a beach of Vyborg Bay near Stony Trail (Kamenistaya Tropa) in Kivi Park south from Chulkovo, west from Vyborg. Russia, July 27, 2024
Large granite boulders in Vyborg Bay near Stony Trail (Kamenistaya Tropa) in Kivi Park south from Chulkovo, west from Vyborg. Russia, July 27, 2024
Close up of rosette lichen (Physcia) on a marble tomb in City Cemetery. Bryan, Texas, March 3, 2019
Interior of a small granite cave near Vyborg. Russia, July 20, 2024
Examining a granite cliff during a geological tour near Vyborg. Russia, July 20, 2024
Close up of rosette lichen (Physcia) on sandstone of Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, March 14, 2019
Crater lichen Diploschistes scruposus together with dark-brown lichen on granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
Close up of streaked rosette lichen (Physcia atrostriata) on an iron foot bridge across the bayou in area of Winters Bayou in Sam Houston National Forest, east from Waverly. Texas, February 23, 2019
Diploschistes lichen on granite in Monrepos Park in Vyborg. Russia, May 24, 2019
Buellia(?) lichen on granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
Some crustose lichen at the foot of granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
Cladonia lichen at the foot of granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
Black Lecanora like lichen on granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
Some black Buellia(?) lichen on granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
Yellow map lichen (Rhizocarpon geographicum) on granite in Monrepos Park in Vyborg. Russia, May 24, 2019
Some brown Acarospora(?) lichen on granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
Hoary rosette lichen (Physcia aipolia) on a fallen aspen tree near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
Hoary rosette lichen Physcia aipolia on a fallen aspen tree near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
Hoary rosette lichen Physcia aipolia on a fallen aspen tree near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
Thick crust of some greenish lichen on granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
Yellowish dust-like lichen on vertical granite surface in Monrepos Park in Vyborg. Russia, May 24, 2019
Crater lichen Diploschistes scruposus on a granite cliff in Monrepos Park in Vyborg. Russia, May 24, 2019
Some grey sorediate Parmelia(?) lichen on granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
Crater lichen Diploschistes scruposus on granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
Black apothecia of Lecanora like lichen on granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
Yellowish dust-like lichen at the foot of granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
Some grey folios lichen at the foot of granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
Folious lichens on a stone on Storozhok Peninsula near granite quarry near Stony Trail (Kamenistaya Tropa) in Kivi Park south from Chulkovo, west from Vyborg. Russia, July 27, 2024
Details of hoary rosette lichen (Physcia aipolia) on a fallen aspen tree near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
Foliose lichen Hoary rosette (Physcia aipolia) on a fallen aspen tree near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
Hoary rosette lichen Physcia aipolia with apothecia on a fallen aspen tree near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
Apothecia of hoary rosette lichen Physcia aipolia on a fallen aspen tree near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
Rosette lichen (Physcia) and sunburst lichen Xanthomendoza weberi (Gallowayella weberi) on a tomb in Ebenezer Cemetery near Huntsville, Texas, February 17, 2019
Yellowish dust-like lichen Trapeliopsis(?) at the foot of granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
Yellow map lichen (Rhizocarpon geographicum) at the foot of granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
Small foliose lichen Cladonia incrassata(?) on granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
Dark brown Acarospora(?) lichen at the foot of granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
Salted shield lichen (crottle, Parmelia saxatilis) on granite in Monrepos Park in Vyborg. Russia, May 24, 2019
Crater lichen Diploschistes scruposus at the foot of granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
Salted shield lichen (crottle, Parmelia saxatilis)(?) on granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
Hoary rosette lichen (Physcia aipolia) together with red dots of Nectriaceae fungus on a fallen aspen tree near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
Hoary rosette lichen Physcia aipolia and Xanthoria parietina on a tree near northern road in Yuntolovsky Park. Saint Petersburg, Russia, March 1, 2017
Rosette lichen (Physcia) in Ebenezer Cemetery near Huntsville, Texas, February 17, 2019
Rosette lichen (Physcia) on a tomb in Ebenezer Cemetery near Huntsville, Texas, February 17, 2019
Rosette lichen (Physcia) on a tomb in City Cemetery. Bryan, Texas, March 3, 2019
Hoary rosette lichen (Physcia aipolia) mixed with red dots of Nectriaceae or Bionectriaceae fungus on a fallen aspen tree near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
Smooth shadow-crust lichen (Hyperphyscia syncolla) and rosette lichen (Physcia) on lower branches of old acacia (huisache) between Signature Park 11 apartments and Oil Well near Park Hudson Trail. Bryan, Texas, January 27, 2019
Rosette lichen (Physcia) on an iron fence in Boonville Cemetery. Bryan, Texas, January 27, 2019
Rosette lichen (Physcia) on a fallen oak twig in Boonville Cemetery. Bryan, Texas, January 27, 2019
Rosette lichen (Physcia) on a marble tomb in City Cemetery. Bryan, Texas, March 3, 2019
Rosette lichen (Physcia) with apothecia on marble in Boonville Cemetery. Bryan, Texas, January 27, 2019
Rosette lichen (Physcia) with soredia on a tomb in Ebenezer Cemetery near Huntsville, Texas, February 17, 2019
Black hair like velvet lichen Cystocoleus ebeneus or may be Ephebe lanata at the foot of granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
Rosette lichen Physcia dimidiata(?) on a leg of a marble angel in City Cemetery. Bryan, Texas, March 3, 2019
Rosette lichen (Physcia) on concrete remains near the columns in Old Bailor park. Independence, Texas, February 27, 2019
Green-blue rosette lichen (Physcia) on sandstone in Boonville Cemetery. Bryan, Texas, January 27, 2019
Rosette lichen Physcia dimidiata(?) on a marble tomb in Ebenezer Cemetery near Huntsville, Texas, February 17, 2019
Rosette lichen (Physcia) on a tree on Kiwanis Nature Trail, College Station, Texas, February 26, 2019
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