The Federal Highway Administration provides illustrated roadside guides to vegetation managers and maintenance crews to assist them in the identification of common roadside plants, both native and invasive. These folded and laminated guides fit conveniently into the glove compartment of any car. Three of the five available guides are listed below. A detailed description of the plants in each guide can be found in Science Library > Field Guides.
U.S. Department of Transportation. Federal Highway Administration. Roadside guides for vegetation managers. Artists contributing to the FHA roadside guides are: Wendy Brockman, Dorie Gallagher, Marilyn Garber, and Vera Ming Wong. Download these FHA instructions about how to request guides and how to purchase other references.
- Common Roadside Invasives: A Roadside Field Guide to Showy Herbaceous Weeds. PUB. NO FHWA-EP-02-003.
A guide for roadside vegetation managers and maintenance personnel to assist in the identification and control of invasive plants in their respective areas. - Common Roadside Invasives: A Roadside Field Guide to Non-native Trees, Shrubs, and Vines. National Field Guide. PUB. NO FHWA-HEP-07-021. A guide identifying 60 common weedy trees, shrubs, and vines.
- Common Native Roadside Wildflowers: A Roadside Field Guide for the Western Region. PUB. NO FHWA-HEP-05-047. A guide identifying 100 native forbs and grasses. Introduced plants that have been naturalized are not included in this guide.
ArtPlantae Today 