The Time Lapsed Lichen Project

In a Secret Spot in the County of San Diego I occasionally will take a picture of some lichen growing on a rock.
The sequences here show the progress of growth of lichen over a period of several years
Note - The four white dots are picture alignment control points

Click on the numbers to see the images. Then use your browser's forward and back buttons to see the changes over time. Eventually I'll improve the mechanics of this section