Still Lifes
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Disjunct Abstract II
Orange & grey crustose lichens, aqua-green foliose lichens, moss and a few grasses colonizing 1.2 billion-year old columnar basalt serving as a natural breakwater at Grand Marais, Minnesota.
Many of these species are Arctic disjuncts, but can eke out a living among Lake Superior's cool climate where protected from wave action and trampling by people.
AbstractBasaltCook CountyGrand MaraisGrand Marais HarborMinnesotacolumnar basaltcrustose lichensfoliose lichensgeologyigneous Rocklichens
