© Copyright Sheryl Pollock 2011 · 5 Ambrosia trifida, Giant Ragweed Click on images or map to enlarge and for details. Links Missouri Botanical Garden 80x5 - 240x3 - 240x4 - 320x1 - 320x2 - 320x3 - 640x1 - 640x2 Set display option above. Click on images to enlarge. © Copyright Bobby Hattaway 2011 · 5 Ambrosia artemisiifolia © Copyright Bobby Hattaway 2011 · 5 Ambrosia artemisiifolia © Copyright Bobby Hattaway 2011 · 5 Ambrosia artemisiifolia © Copyright Bobby Hattaway 2011 · 5 Ambrosia trifida © Copyright Bobby Hattaway 2011 · 5 Ambrosia trifida © Copyright Bobby Hattaway 2011 · 5 Ambrosia trifida © Copyright Bobby Hattaway 2011 · 5 Ambrosia trifida © Copyright Bobby Hattaway 2011 · 5 Ambrosia trifida © Copyright Bobby Hattaway 2011 · 5 Ambrosia trifida © Copyright Bobby Hattaway 2011 · 5 Ambrosia trifida © Copyright Steve Baskauf, 2002-2011 · 4 Ambrosia artemisiifolia, inflorescence - whole - unspecified © Copyright Steve Baskauf, 2002-2011 · 4 Ambrosia artemisiifolia, inflorescence - whole - male © Copyright Steve Baskauf, 2002-2011 · 4 Ambrosia artemisiifolia, leaf - basal or on lower stem © Copyright Steve Baskauf, 2002-2011 · 4 Ambrosia artemisiifolia, stem - showing leaf bases © Copyright Steve Baskauf, 2002-2011 · 4 Ambrosia artemisiifolia, inflorescence - whole - female © Copyright Steve Baskauf, 2002-2011 · 4 Ambrosia trifida, whole plant - in flower - general view © Copyright Steve Baskauf, 2002-2011 · 4 Ambrosia trifida, inflorescence - whole - unspecified © Copyright Steve Baskauf, 2002-2011 · 4 Ambrosia trifida, inflorescence - lateral view of flower © Copyright Steve Baskauf, 2002-2011 · 4 Ambrosia trifida, leaf - on upper stem

See

see all kinds   •  1745 images slide show

IDnature guide

Plant genera

Kinds

Ambrosia acanthicarpa, Hookers Bur-ragweed Ambrosia ambrosioides, Canyon Ragweed Ambrosia aptera Ambrosia artemisiifolia, Ragweed Ambrosia bidentata, Lanceleaf ragweed Ambrosia chamissonis, Silver bur ragweed Ambrosia cheiranthifolia, Rio Grande ragweed Ambrosia chenopodiifolia, San Diego bur ragweed Ambrosia confertiflora, Burr Ragweed Ambrosia cordifolia, Tucson bur ragweed Ambrosia crithmifolia Ambrosia deltoidea, Triangle bur ragweed Ambrosia dumosa, Burrobush Ambrosia elatior Ambrosia eriocentra, Woolly fruit bur ragweed Ambrosia glandulosa Ambrosia grayi, Woollyleaf bur ragweed Ambrosia helenae Ambrosia hispida, Coastal ragweed Ambrosia ilicifolia, Hollyleaf bur ragweed Ambrosia linearis, Streaked bur ragweed Ambrosia maritima Ambrosia microcephala Ambrosia monophylla Ambrosia peruviana, Peruvian Ragweed Ambrosia psilostachya, Perennial Ragweed Ambrosia pumila, Dwarf bur ragweed Ambrosia tenuifolia, Lacy Ambrosia Ambrosia tomentosa, Skeletonleaf bur ragweed Ambrosia trifida, Giant Ragweed