A guide to more than 5,800 wildflowers, trees, shrubs, grasses, and other vascular plants occurring in DC, DE, IL, IN, KY, MD, OH, NJ, NY, PA, VA, & WV. Partner: University of North Carolina's Southeastern Flora Team. ($19.99)
A guide to over 450 wildflowers, grasses, shrubs, and trees of the Yellowstone region. Author: Whitney Tilt. In partnership with Yellowstone Forever. ($7.99)
A guide to over 300 wildflowers, grasses, shrubs, and trees of Glacier and Waterton National Parks. Author: Shannon Kimball. In partnership with Glacier National Park Conservancy. ($7.99)
A guide to over 260 graminoids (grasses and grass-like plants) inhabiting cropland, pasture, and range in Montana and the West. Partner: Montana State University, College of Agriculture. In support of Montana Native Plant Society. ($4.99)
A guide to over 1000 wildflowers, shrubs, and vines of Washington. Partners: Herbarium at University of Washington, Burke Museum, Mark Turner, and Phyllis Gustafson. ($9.99)
A guide to over 550 wildflowers, shrubs, and trees of Yosemite National Park. Authors: Barry and Judy Breckling. In partnership with Yosemite Conservancy. ($7.99)
A guide to 520 wildflowers, ferns, shrubs, and trees of the Colorado Rocky Mountains. Author: Al Schneider. In support of the Colorado Native Plant Society. ($9.99)
A guide to 350 wildflowers, grasses, shrubs, and trees of Utah's Wasatch region in partnership with Utah author Steve Hegji. In support of The Nature Conservancy - Utah Chapter. ($7.99)
A guide to over 800 wildflowers, shrubs, and vines of Idaho. Partner: University of Washington, Burke Museum in collaboration with University of Idaho Stillinger Herbarium and Idaho State University Herbarium. ($7.99)
A guide to over 1050 wildflowers, shrubs, and vines of Oregon. Partner: Oregon Flora Project, Botany & Plant Pathology Department at Oregon State University. ($9.99)
A guide to over 550 wildflowers, shrubs, and trees of Sagamartha National Park. Partners: Elizabeth Byers, Flora of Nepal Project, and the Department of National Parks and Wildlife Conservation, Nepal. ($7.99)