James St. John:
Variscite-crandallite nodule (Clay Canyon, Utah County, Utah, USA) 3
James St. John:
Trousdale Member over the Portwood Member (New Albany Shale, Middle Devonian; Waco roadcut, Madison County, Kentucky, USA)
James St. John:
Morrison Formation (Upper Jurassic; Dinosaur Ridge, west of Denver, Colorado, USA) 28
US Ends .com:
DSCN7957
US Ends .com:
DSCN4174
Rik Tiggelhoven Travel Photography:
Carlsbad Caverns NP
rschnaible:
Carlsbad Cavern 7
RuggyBearLA:
Jawbone Canyon
Kiersten Rowland:
Lenticular clouds in the Alpujarras
James St. John:
Sulfur (Detroit River Group, Devonian; quarry in Lucas County, Ohio, USA)
James St. John:
Fossil tree trunk (Sentinel Butte Formation, Paleocene; Little Missouri Badlands, North Dakota, USA) 6
James St. John:
Opalite (Tertiary; Colado Mine, Velvet Mining District, Nevada, USA)
romeknahlik:
IMG_2688
waldemar.szczepanczyk93:
P4300267
izabelabelz:
żywiec gruczołowaty
Karpaty i okolice:
Żywiec Gruczołowaty
L'herbier en photos:
Cardamine enneaphyllos
Ritterfalter:
Cardamine enneaphyllos
HermannFalkner/sokol:
Cardamine enneaphyllos
Ritterfalter:
Cardamine enneaphyllos
liliumregale:
Cardamine enneaphyllos