Archive for the ‘Lichens’ Category

A Foliose Lichen

I find all kinds of lichens when I pick up sticks in the yard.

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The larger lichen with the leafy appearance is a foliose lichen.

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Blister lichen, with the dark disc-shaped fruiting bodies, is also a foliose lichen. The leafy part shows better in the upper right of the picture.

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The black “hairs” along the edges of the lichen are called “cilia.” I seldom see them on lichens.

Portrait of Foliose Lichen

This lichen grows on a tree in my backyard.

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It doesn’t know its name. I don’t know its name,

which in no way diminishes my enjoyment of its discovery.

Two More Lichens

This winter was so drab. Seemed like the sun seldom shone — and it wasn’t my imagination.

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I don’t burn all the sticks/small logs I find in the yard, for obvious reasons. I wonder if anything lived in the cavity of this blister lichens (Physcia stellaris)?

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here the blister lichens grew with the Candelaria concolor lichen. It commonly grows on elm, ash and sugar maple trees.

A Small Snow Cave

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A small snow cave partially covers ed blister lichen (Physcia stellaris)  growing on a limb in our dawn redwood tree. It’s also called a star rosette lichen. It’s a foliose lichen — a leafy looking lichen (say that three times fast). They reproduce by spores, which is the black in each disc.

Another New Lichen

This lichen grew on a dead tree, near a trail, along a lake.

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I was able to identify it with my Lichens of the North Woods book.

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It’s a Smooth Axil-bristle Lichen (Myelochroa galbina).

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The size of the fruiting bodies varied considerably. It looks as if the cups opened, and a thin “sheet” of spores flaked off.

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It was quite a variable lichen.

A New Lichen

One of my lichen books calls these blister lichens. The other one calls them star rosette lichens.

Their scientific name is Physcia stellaris.

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Black is the most common blister lichen I find here in southern Illinois.

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Some blister lichens have brown discs,

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and others have green.

The discs are called apothecia and are where the spores are produced.

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Then I found a blister lichen with gray discs in the backyard yesterday.

Now I wonder what other colors that I might find?

An Interesting Stick

Our weather finally turned off nice for a change, and I found myself picking up sticks in the yard.

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 I picked up a stick under the sweet gum tree and found two surprises underneath — a small shelf fungi and a slug. The shelf fungi was so small I couldn’t see if the underneath side was smooth or had pores.

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There was no shortage of lichens on the fallen wood. My Missouri book “Walk Softly Upon the Earth” calls this a blister lichen (Physcia stellaris). My “Lichens of the North Woods” book calls it a star rosette lichen.

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Then I found these yellow-green lichens.

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It looked like they’re more yellow when they were young. The black had me confused, because it looked more like a crust than like the top of the smooth black ones above.

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I do get frustrated at times when I’m trying to identify a find and can’t.

For me it’s more of a matter of learning to see, find and enjoy.