Re: Indicator plants

• To: sustag-public@amani.ces.ncsu.edu
• Subject: Re: Indicator plants
• From: Kenneth Nilsson <kenneth.nilsson@mbox3.swipnet.se>
• Date: Tue, 16 Apr 1996 14:57:00 +0100

In article <eeeDpxIxF.n0u@netcom.com>,
eee@netcom.com (Mark Thorson) wrote:

>
>Lichens are indicators of air pollution.  Unlike vascular plants,
>they don't have any way to get rid of toxins, so they are
>particularly sensitive to environmental pollution.
>
>So you mean, if there are Lichens (is there only one kind?/ Is Liver Wart alichen?) the air is clean?



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