Free Colorado Weeds ID Guide

coloradoweedsJuly 13, 2006

Assistance in visually identifying Colorado Noxious Weeds on List A (eradication), List B (management) and List C (education). Pictures of plants on each list are displayed in alphabetical order by their Common name, with their Scientific name also given. Free guide available online at

BTW, many of the weeds are very edible - yum - I hope that they add information on the common edible weeds soon!

Image link:

Here is a link that might be useful:

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I beg your pardon! The site is , not .com

Here is a link that might be useful:

    Bookmark   July 13, 2006 at 4:25PM
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Thanks for posting this link. Since I live in Colorado I found it very informative.

Now whether some of these weeds can be eliminated or even managed is questionable?

It will take billions of dollars to eliminate salt cedar and Russian olive for example. Colorado is already short of funds. Where will they get the money needed to get rid of these weeds?

    Bookmark   July 26, 2006 at 10:33AM
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Well, the idea is to inform the public that there is a problem, so that everyone can pitch in, taking many baby steps together we can help together to first control and than eliminate these problems one at a time.

    Bookmark   July 26, 2006 at 11:06AM
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coloradoweeds, the first thing the could do is be honest. They make the claim that salt cedar uses 200 gallons of water a day. The real truth according to some people that have studied the salt cedars is that salt cedar uses about the same amount of water that similar size trees do.

The way that they determine how much water a tree uses is to look at the size of the leaf. Small leafed trees uses less water and larger leafed trees use more water. Salt Cedar has small leaves so will use less water. It actually uses even less water under some circumstances.

The salt cedar is promoted as a water guzzler, which is just not factual and the truth should really be told.

One of the biggest user of water is the cottonwood, which these same group of people are promoting.

    Bookmark   July 26, 2006 at 2:30PM
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I absolutely agree with you that there is huge bias against non-native trees on the weed lists. I am not promoting destruction of every Salt Cedar and Russian Olive. I, for one, love Russian Olives and would not want to kill any of my own, if I had them. These trees are real survivors and can frow places where just about nothing else grows. The problem with Sal Cedars is that they have very deep roots that get the salt to the surface as they drink the water. I am not sure if there is a way to maneg that rather than destroyong all of the, though...

Here is a link that might be useful:

    Bookmark   July 26, 2006 at 4:44PM
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Do salt cedars really have deep roots? I have heard some articles claim that the roots go down 100 feet. But has anyone really dug down and found out how deep the roots really go down? I doubt it?

The experts used to believe that all tree roots went down really deep. Then they found out that most roots of large trees only only go down 3 or 4 at the most.

The salt problem is caused by dropping the water table too much. This is caused by humans wasting water on swimming pools, washing cars, and other wasteful activities. It is convenient to blame it on the salt cedars, but it is just not true. People just waste too much water.

Another claim that the anti salt cedar people put out is that if the salt cedar is eliminated then suddenly the water table would rise and the rivers would flow like crazy.

In New Mexico along the Pecos River they have removed a lot of salt cedars. The river nor the water table has risen. Also the cottonwoods have not returned. All there is is a lot of dead salt cedars that are a fire hazard.

This is the great Salt Cedar myth. We need some serious study of salt cedars before removing them.

Another concern that I have is what will happen if they are removed from all the small creeks. Now they slow the water down in flash floods. If they are gone, then the water will charge down the creeks and cause all kinds of damage.

    Bookmark   July 26, 2006 at 5:38PM
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Here is a good article on the salt cedar along the Pecos River.

Here is a link that might be useful: Salt Cedar

    Bookmark   July 27, 2006 at 8:46AM
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Does anyone know who posted the weed guide at
I would be interested in contacting that person or organization. Thanks.

    Bookmark   January 28, 2011 at 10:22AM
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