Observation 34612: Lichen P. Micheli
When: 2010-03-07
No herbarium specimen

Notes: This lichen was growing from wood out of a hole in the snow in Zone 12. The hole suggests that the lichen is a heat source, indicating some level of metabolic activity even now at this time of the year.

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Frozen lichens
By: Jason Hollinger (jason)
2010-03-08 04:25:06 GMT (+0000)

Lichens have been documented to photosynthesize down to -17°C in Antarctica(!) But do also remember that compared to snow (a very efficient radiator) even this whitish lichen is “dark”. Perhaps a combination of the two effects?

Created: 2010-03-08 03:37:21 GMT (+0000)
Last modified: 2010-03-08 03:37:21 GMT (+0000)
Viewed: 40 times, last viewed: 2016-09-17 16:57:26 BST (+0100)
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