 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
 Apothecia of hoary rosette lichen Physcia aipolia on a fallen aspen tree near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
 Close up of 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 with apothecia 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) 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) mixed with red dots of Nectriaceae or Bionectriaceae 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
 Lecanora or may be Physcia lichen on a fallen aspen tree near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
 Details of bottlebrush frost lichen (Physconia detersa)(?) on a fallen aspen tree near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
 Some foliose lichen on a fallen aspen tree near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
 Ochrolechia(?) lichen on a fallen aspen tree near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
 Lecanora(?) lichen on a fallen aspen tree near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
 Buellia lichen on a fallen aspen tree near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
 Brown Lecanora(?) lichen on a fallen aspen tree near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
 Orange Lecanora(?) lichen on a fallen aspen tree near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
 Ochrolechia(?) lichen with Xanthoria parietina on a fallen aspen tree near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
 Maritime sunburst lichen (Xanthoria parietina) on a fallen aspen tree near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
 Bottlebrush frost lichen (Physconia detersa)(?) on a fallen aspen tree near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
 Patch of maritime sunburst lichen (Xanthoria parietina) on a fallen aspen tree near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
 Dwarf rosette lichen Physcia neogaea or may be P. aipolia or P. pumilior on smooth bark of hackberry tree at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 Rosette lichen (Physcia), possibly P. aipolia, P. pumilior, or P. neogaea, near the base of a big tree, possibly hackberry, in Hensel Park. College Station, Texas, December 30, 2018
 Rosette lichen (Physcia), possibly P. aipolia, P. pumilior, or P. neogaea, with apothecia near the base of a big tree, possibly hackberry, in Hensel Park. College Station, Texas, December 30, 2018
 Bumpy rim lichen Lecanora hybocarpa(?) together with golden lichen Xanthoria parietina on a fallen aspen tree near Dibuny, north-west from Saint Petersburg, Russia, May 5, 2021
 Maritime sunburst lichen (Xanthoria parietina) on a fallen aspen tree between Orekhovo and Lembolovo, north from Saint Petersburg. Russia, September 28, 2016
 Rosette lichen (Physcia) on a fallen oak twig in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Lecanora(?) lichen on a tree near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
 Rosette lichen (Physcia) on a tree on Kiwanis Nature Trail, College Station, Texas, February 26, 2019
 Rosette lichen (Physcia) on a tree in Lick Creek Park. College Station, Texas, February 20, 2019
 Details of polypore fungus Junghuhnia pseudozilingiana on a fallen aspen near Dibuny, north-west from Saint Petersburg. Russia, September 18, 2017
 Rosette lichen (Physcia) with brown apothecia on a fallen oak branch in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Some rosette lichen (Physcia) on tree bark on Kiwanis Nature Trail, College Station, Texas, February 26, 2019
 Patch of rosette lichen (Physcia) on a tree on Kiwanis Nature Trail, College Station, Texas, February 26, 2019
 Rosette lichen (Physcia) on an old dry cracked stump of a red cedar tree in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Rosette lichen (Physcia) on tree bark on Kiwanis Nature Trail, College Station, Texas, February 26, 2019
 Oyster mushrooms Pleurotus calyptratus on a fallen aspen in Kuzmolovo, north from Saint Petersburg. Russia, May 21, 2021
 Rosette lichen (Physcia) with dense brown apothecia on a fallen oak branch in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Caps of oyster mushrooms Pleurotus calyptratus on a fallen aspen in Kuzmolovo, north from Saint Petersburg. Russia, May 21, 2021
 Cap edge of oyster mushrooms Pleurotus calyptratus on a fallen aspen in Kuzmolovo, north from Saint Petersburg. Russia, May 21, 2021
 White-rot fungus Punctularia strigosozonata on a fallen aspen north from Pole Chudes Garden in Kuzmolovo, north from Saint Petersburg. Russia, May 21, 2021
 Young and mature oyster mushrooms Pleurotus calyptratus on a fallen aspen in Kuzmolovo, north from Saint Petersburg. Russia, May 21, 2021
 Streaked rosette lichen (Physcia atrostriata) on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
 Streaked rosette lichen (Physcia atrostriata) on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
 Young oyster mushroom Pleurotus calyptratus on a fallen aspen north from Pole Chudes Garden in Kuzmolovo, north from Saint Petersburg. Russia, May 21, 2021
 Large and small caps of oyster mushrooms Pleurotus calyptratus on a fallen aspen in Kuzmolovo, north from Saint Petersburg. Russia, May 21, 2021
 Rosette lichen Physcia(?) on a tree on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, March 1, 2019
 White-rot fungus Punctularia strigosozonata on a fallen aspen north from Pole Chudes Garden, west from Kuzmolovo, near Saint Petersburg. Russia, May 7, 2021
 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
 Rosette lichen Physcia(?) on tree bark on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, March 1, 2019
 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 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
 Rosette lichen Physcia erumpens(?) on a tree on Alligator Branch section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville. Texas, February 17, 2019
 Wrinkled thimble-cap mushroom (Verpa bohemica) under aspen trees on east side of sandpit near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
 Rosette lichen Physcia erumpens(?) on tree bark on Alligator Branch section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville. Texas, February 17, 2019
 Spotted rosette lichen Physcia pumilior on a tree bark in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, February 12, 2019
 Spotted rosette lichen (Physcia pumilior) on a huisache(?) tree in abandoned TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, February 22, 2019
 Spotted rosette lichen Physcia pumilior with apothecia on a tree bark in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, February 12, 2019
 Spotted rosette lichen (Physcia pumilior) with brown apothecia on a huisache(?) tree in abandoned TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, February 22, 2019
 Close-up of mushrooms Punctularia strigosozonata on a fallen aspen west from Kuzmolovo, near Saint Petersburg. Russia, May 7, 2021
 Hairy caps of mushrooms Punctularia strigosozonata on a fallen aspen west from Kuzmolovo, near Saint Petersburg. Russia, May 7, 2021
 Rosette lichen (Physcia) in Ebenezer Cemetery near Huntsville, Texas, February 17, 2019
 Rosette lichen (Physcia) and sunburst lichen Xanthomendoza weberi (Gallowayella weberi) on a tomb in Ebenezer Cemetery near Huntsville, Texas, February 17, 2019
 Bumpy rim lichen Lecanora hybocarpa(?) on rough bark of an aspen tree near a forest road near Dibuny, north-west from Saint Petersburg, Russia, May 5, 2021
 Rosette lichen (Physcia) on a tomb in City Cemetery. Bryan, Texas, March 3, 2019
 Rosette lichen (Physcia) on a tomb in Ebenezer Cemetery near Huntsville, Texas, February 17, 2019
 Pink jelly fungus (Craterocolla cerasi) on a fallen aspen on old railroad path west from Kuzmolovo, near Saint Petersburg. Russia, May 7, 2021
 Lumpy bracket mushrooms (Trametes gibbosa) on a fallen aspen on old railroad grade west from Kuzmolovo, near Saint Petersburg. Russia, May 7, 2021
 Rosette lichen Dirinaria applanata or may be Physcia on smooth bark of hackberry tree at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 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
 Rosette lichen (Physcia) on a marble tomb in City Cemetery. Bryan, Texas, March 3, 2019
 Rosette lichen (Physcia) on a granite tombstone in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Rosette lichen (Physcia) on an iron fence in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Dog lichen (Peltigera membranacea) on a tree in Kuzmolovo, north from Saint Petersburg. Russia, August 9, 2024
 Pink jelly fungus (Craterocolla cerasi) growing through bark of a fallen aspen on old railroad path west from Kuzmolovo, near Saint Petersburg. Russia, May 7, 2021
 Pattern of rosette lichen (Physcia) on a granite tombstone in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Rosette lichen (Physcia) on concrete remains near the columns in Old Bailor park. Independence, Texas, February 27, 2019
 Rosette lichen Physcia dimidiata(?) on a marble tomb in Ebenezer Cemetery near Huntsville, Texas, February 17, 2019
 Green-blue rosette lichen (Physcia) on sandstone in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Rosette lichen Physcia dimidiata(?) on a leg of a marble angel in City Cemetery. Bryan, Texas, March 3, 2019
 Rosette lichen Physcia dimidiata(?) on a marble angel in City Cemetery. Bryan, Texas, March 3, 2019
 Rosette lichen (Physcia) with apothecia on a marble tomb in City Cemetery. Bryan, Texas, March 3, 2019
 Close up of rosette lichen (Physcia) on a marble tomb in City Cemetery. Bryan, Texas, March 3, 2019
 Oakmoss lichen (Evernia prunastri) near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
 Candelabra duster fungus (Athelia epiphylla)(?) on underside of a fallen aspen tree near Dibuny, north-west from Saint Petersburg, Russia, May 5, 2021
 Lumpy bracket mushrooms (Trametes gibbosa) on a fallen aspen on old railroad grade south from turning circle west from Kuzmolovo, near Saint Petersburg. Russia, May 7, 2021
 Underside of pink jelly fungus (Craterocolla cerasi) growing through bark of a fallen aspen on old railroad path west from Kuzmolovo, near Saint Petersburg. Russia, May 7, 2021
 Rosette lichen (Physcia) on back of a grey marble tombstone in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Streaked rosette lichen (Physcia atrostriata) in Lick Creek Park. College Station, Texas, January 18, 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
 Green mass of brown beret lichen (Baeomyces rufus) on exposed soil on roots of a big fallen tree north from Komarovo, 20 miles north-west from Saint Petersburg. Russia, May 22, 2019
 Green cover of brown beret lichen (Baeomyces rufus) on exposed soil on roots of a big fallen tree north from Komarovo, 20 miles north-west from Saint Petersburg. Russia, May 22, 2019
 Pattern of rosette lichen (Physcia) on back of a grey marble tombstone in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Aspen forest in Urochishche Hianikiayze area near Kuzmolovo, north from Saint Petersburg. Russia, September 24, 2017
 Hooded tube lichen (Hypogymnia physodes) on a pine near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
 Net-marked shield lichen (Parmelia sulcata) on a pine(?) near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
 Polypore mushroom Trametes trogii(?) in resupinate form covering large area on bark of a fallen aspen on old railroad path west from Kuzmolovo, near Saint Petersburg. Russia, May 7, 2021
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