Colorado Lichen Lovers Homepage
Fun with Lichens
| Counting | Guess My Age |
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Colorado Lichen Lovers Homepage |
Fun with Lichens| Counting | Guess My Age | |
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Here's a chance to start training your eye. How many kinds of lichens do you see in this photo? Extra Credit: What color is the rock in this photo? Click here for answers. |
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How old are the lichens on this rock? |
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