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Rhizocarpon petraeum is a species of saxicolous (rock-dwelling) crustose lichen in the family Rhizocarpaceae. It is widely distributed in Europe. This lichen forms a thin, chalk-white to grey crust that spreads over rock surfaces up to about 5 cm across, with scattered black disc-shaped fruiting bodies that rarely exceed 1 mm in diameter. It grows on sedimentary and volcanic rocks such as trachyte and basalt, and was first described in 1787 from specimens found in various locations across Europe....read more on Wikipedia.
Place | Rain (24h) | Sun | Humidity Hum. | Wind | |
Loading... | 0.8in | 918umol | 64% | 4mph | |
Loading... | 1.2in | 12umol | 84% | 9mph | |
Loading... | 0in | 18umol | 81% | 11mph |
There's also wisdom in how different civilizations used fungi throughout the millenia.
And some people put tremendous effort into collecting and preserving it.
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