Northern & Central Midwest
Weeds Gone Wild
The Plant Conservation Alliance "Weeds Gone Wild" Web site contains a list of invasive plants that infest natural areas throughout the U.S. You'll find background information, illustrated fact sheets, management options, alternative native plants, and links to other sites of value.
Ortho's All About Houseplants
Ortho's All About Houseplants (Ortho Books, 1999, $11.95) by yours truly is a no-nonsense guide to the selection and care of houseplants. It will help you choose the best plants for your locations as well as troubleshoot houseplant problems. It also has an extensive encyclopedia of houseplants with color photos.