Mentha spicata Mentha spicata Whole plant Inflorescence Photo credit Joseph M. DiTomasso, University of California - Davis, Bugwood.org
Mentha spicata Mentha spicata Leaf Inflorescence Key ID Feature Photo credit Tom Huette, USDA Forest Service, Bugwood.org
Euphoriba humistrata Euphoriba humistrata Leaf Inflorescence Photo credit Utah State University Archive
Euphoriba humistrata Euphoriba humistrata Whole plant Leaf Stem Photo credit Bruce Ackley, Ohio State University
Hesperis matronalis - whole plant, leaves, flowers Hesperis matronalis - whole plant, leaves, flowers Whole plant Leaf Inflorescence
Centaurea maculosa - whole plant Centaurea maculosa - whole plant Whole plant Leaf Stem Inflorescence
Hieracium pratense Hieracium pratense Stem Inflorescence Photo credit Michael Shephard, USDA Forest Service, Bugwood.org
Hieracium pratense Hieracium pratense Inflorescence Key ID Feature Photo credit Tom Heutte, USDA Forest Service, Bugwood.org
Hieracium pratense Hieracium pratense Whole plant Inflorescence Photo credit Linda Wilson, University of Idaho, Bugwood.org
Hieracium pratense Hieracium pratense Stem Inflorescence Key ID Feature Photo credit Tom Heutte, USDA Forest Service, Bugwood.org
Hieracium pratense Hieracium pratense Inflorescence Key ID Feature Photo credit USDA Agricultural Research Service , USDA Agricultural Research Service, Bugwood.org
Hypochaeris radicata Hypochaeris radicata Stem Inflorescence Photo credit Ohio State Weed Lab Archive