Description:
(Audio 06/04/07) Gardeners may notice poorly-performing plants with grayish-green growths on them. These growths, called lichens, often are blamed for harming trees or shrubs. Lichens are not parasites, but they often live on trees that are already unhealthy. Primary Audience:
- General
Resource Updated:
7/27/2007 3:54:44 PM |