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good reference book for identifying non-natives

Posted by gibby3000 MN (My Page) on
Wed, May 19, 10 at 23:25

I have a few different woodland and prairie/savanna native areas I'm working on. I'm always after the invasives particularly in this savanna area that I just planted from seed last year. Some things I know are non-native invasives but some things I'm not so sure so I'm leaving those. In particular I really need to figure out what grass is good and what is not - I do know which is reed canary grass but not sure about some others.

Does anyone know of a good book with photos to help identify invasives found in Minnesota? I've found some decent books that identify mature native plants but nothing that's got much to help me confirm what's a weed and what's not at this point.

Follow-Up Postings:

RE: good reference book for identifying non-natives

there is a book called "Michigan trees" that shows the invasives as well. Yes, it's MI natives but many would still apply to you. We used it in the field in my woody plants class for landscape architecture.

RE: good reference book for identifying non-natives

Does Michigan Trees have grasses and such or just trees adn woody plants?

RE: good reference book for identifying non-natives

Identification of grasses can be very challenging. It usually requires close examination of the flowers, although some of the more common native prairie grasses can be identified pretty readily once you know what the overall appearance.

A good starter book for grasses and grass-like plants is "Field Guide to the Grasses, Sedges and Rushes of the United States" by Edward Knobel. No photos, just illustrations and it doesn't distinguish between natives and non-natives.

For other plants, something like Peterson's "A Field Guide to Wildflowers : Northeastern and North-Central North America" would be a convenient reference and it does mention which ones have been introduced.

RE: good reference book for identifying non-natives

I like the Peterson guides and I would recommend any of those.

Newcomb's Wildflower Guide is wonderful for id'ing flowering plants.

Weeds of the Northern US and Canada by Royer & Dickinson is a nice book that covers many "pest" plants.


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