What is deer lichen?
Deer lichen is commonly called "reindeer moss," "deer moss," "powder-puff lichen" or "fairy pillows." It is a small, spongy pale sea-green plant. Various species live all over the world, from here to New Zealand and the Arctic circle. Treasure it because its presence means the air is good. When dry it is light and brittle; when wet it is soft and more richly colored.
Where can I see it?
When you're walking on a forest trail, you'll see its sea-foam form lining the path and spreading like surf over the forest floor, in places where it can get some sunlight.
What makes a lichen?
It is part fungus, part alga. These two partners form what's called a symbiotic relationship: that is, neither the fungus nor the alga can live alone. The fungus provides shelter, the physical structure, and brings in moisture and minerals. The alga turns light into food for the fungus by photosynthesis.
Is deer lichen useful for anything?
It is used in architectural models and for crafts, and it provides food for wildlife. Deer lichen is sensitive to chemicals like sulfur dioxide and fertilizer so it is a good indicator of pollution. Also, it absorbs radiation from nuclear power plants. Deer lichens hold sand in place and help in forming new soil.
How old are deer lichen plants?
Where undisturbed, they could be 100 years old since they grow slowly - perhaps 1 mm a year.
Are deer lichens all the same? If not, how can I tell them apart?
There are from two to eight local species of deer lichen (Cladoniaceae). Because they are shrub-like and branching, the type is fruticose. They are not well-documented.
What's on your website about deer lichen? How can I use it?
Go to http://wholeo.net. One picture (or icon) says "Click for lichen, Reindeer moss." Click on that icon. In Lookout for 2007, there are links, maps, descriptions, photos, and movies of specific local sites. Near the bottom of the page you can click on the Lookout 2008 - MindField icon for art fiction and imaginative fantasies. Or click the Lookout 2009 - Deer Lichen Perspectives icon for timeline and identification topics. Suggestions and questions are welcome. To send a comment, go to the bottom of the page and follow the instructions.
Back to Lookout 2009, Perspectives.
To send comments, click the three dots ( ... link) below:
lich...@wholeo.net
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