Family: ASTERACEAE Source: USDA, NRCS. 2009. The PLANTS Database (http://plants.usda.gov, 24 June 2009). National Plant Data Center, Baton Rouge, LA 70874-4490 USA. |
Genera of ASTERACEAE Select a genus and click on Ok |
TAXON | DISTRIB. | IMAGES |
Ambrosia acanthicarpa Hook.
Views: 324.61 Forb/herb - Annual flatspine bur ragweed Synonyms: = Franseria acanthicarpa (Hook.) Coville = Gaertneria acanthicarpa (Hook.) Britton | ||
Ambrosia ambrosioides (Cav.) Payne
Views: 233.869 Subshrub, Shrub - Perennial ambrosia leaf bur ragweed Synonyms: = Franseria ambrosioides Cav. | ||
Ambrosia artemisiifolia L.
Views: 3117 Forb/herb - Annual annual ragweed | ||
Ambrosia artemisiifolia L. var. artemisiifolia
Views: 806.046 Forb/herb - Annual annual ragweed | ||
Ambrosia artemisiifolia L. var. elatior (L.) Descourtils
Views: 909.221 Forb/herb - Annual annual ragweed Synonyms: = Ambrosia elatior L. | ||
Ambrosia artemisiifolia L. var. paniculata (Michx.) Blank.
Views: 471.181 Forb/herb - Annual annual ragweed Synonyms: = Ambrosia glandulosa Scheele = Ambrosia monophylla (Walter) Rydb. = Ambrosia paniculata Michx. | ||
Ambrosia bidentata Michx.
Views: 311.748 Forb/herb - Annual lanceleaf ragweed | ||
Ambrosia canescens A. Gray
Views: 256.097 Forb/herb - Perennial hairy ragweed | ||
Ambrosia chamissonis (Less.) Greene
Views: 235.243 Subshrub, Shrub, Forb/herb - Perennial silver bur ragweed Synonyms: = Ambrosia chamissonis (Less.) Greene var. bipinnatisecta (Less.) J.T. Howell = Franseria chamissonis Less. = Franseria chamissonis Less. ssp. bipinnatisecta (Less.) Wiggins & Stockw. = Franseria chamissonis Less. var. bipinnatisecta Less. | ||
Ambrosia cheiranthifolia A. Gray
Views: 234.707 Forb/herb - Perennial Rio Grande ragweed | ||
Ambrosia chenopodiifolia (Benth.) Payne
Views: 255.279 Subshrub, Shrub - Perennial San Diego bur ragweed Synonyms: = Franseria chenopodiifolia Benth. | ||
Ambrosia confertiflora DC.
Views: 253.521 Forb/herb - Perennial weakleaf bur ragweed Synonyms: = Franseria confertiflora (DC.) Rydb. = Franseria strigulosa Rydb. = Gaertneria tenuifolia Harv. & A. Gray | ||
Ambrosia cordifolia (A. Gray) Payne
Views: 179.817 Subshrub, Shrub - Perennial Tucson bur ragweed Synonyms: = Franseria cordifolia A. Gray | ||
Ambrosia deltoidea (Torr.) Payne
Views: 201.959 Subshrub, Shrub - Perennial triangle bur ragweed Synonyms: = Franseria deltoidea Torr. | ||
Ambrosia dumosa (A. Gray) Payne
Views: 201.866 Subshrub, Shrub - Perennial burrobush Synonyms: = Franseria dumosa A. Gray | ||
Ambrosia eriocentra (A. Gray) Payne
Views: 183.833 Subshrub, Shrub - Perennial woolly fruit bur ragweed Synonyms: = Franseria eriocentra A. Gray | ||
Ambrosia grayi (A. Nelson) Shinners
Views: 350.026 Forb/herb - Perennial woollyleaf bur ragweed Synonyms: = Franseria tomentosa A. Gray = Gaertnera tomentosa (A. Gray) Kuntze = Gaertneria grayi A. Nelson | ||
Ambrosia x helenae Rouleau
Views: 281.71 Forb/herb - Perennial | ||
Ambrosia hispida Pursh
Views: 265.73 Subshrub, Forb/herb - Perennial coastal ragweed | ||
Ambrosia ilicifolia (A. Gray) Payne
Views: 235.518 Subshrub, Shrub - Perennial hollyleaf bur ragweed Synonyms: = Franseria ilicifolia A. Gray | ||
Ambrosia x intergradiens W.H. Wagner
Views: 248.455 Forb/herb - Perennial | ||
Ambrosia linearis (Rydb.) Payne
Views: 227.067 Subshrub - Annual streaked bur ragweed Synonyms: = Franseria linearis Rydb. | ||
Ambrosia peruviana Willd.
Views: 249.665 Forb/herb, Subshrub - Perennial Peruvian ragweed | ||
Ambrosia psilostachya DC.
Views: 1966.41 Forb/herb - Annual, Perennial Cuman ragweed Synonyms: = Ambrosia californica Rydb. = Ambrosia coronopifolia Torr. & A. Gray = Ambrosia cumanensis auct. non Kunth = Ambrosia psilostachya DC. var. californica (Rydb.) S.F. Blake = Ambrosia psilostachya DC. var. coronopifolia (Torr. & A. Gray) Farw. = Ambrosia psilostachya DC. var. lindheimeriana (Scheele) Blank. = Ambrosia rugelii Rydb. | ||
Ambrosia pumila (Nutt.) A. Gray
Views: 264.858 Forb/herb - Perennial dwarf bur ragweed Synonyms: = Franseria pumila Nutt. | ||
Ambrosia tenuifolia Spreng.
Views: 247.015 Forb/herb - Annual slimleaf bur ragweed | ||
Ambrosia tomentosa Nutt.
Views: 362.521 Forb/herb - Perennial skeletonleaf bur ragweed Synonyms: = Franseria discolor Nutt. = Franseria tomentosa (Nutt.) A. Nelson, non A. Gray = Gaertneria discolor (Nutt.) Kuntze = Gaertneria tomentosa (Nutt.) A. Heller | ||
Ambrosia trifida L.
Views: 2842.52 Subshrub, Forb/herb - Annual great ragweed | ||
Ambrosia trifida L. var. texana Scheele
Views: 239.176 Subshrub, Forb/herb - Annual Texan great ragweed Synonyms: = Ambrosia aptera DC. = Ambrosia trifida L. var. aptera (DC.) Kuntze | ||
Ambrosia trifida L. var. trifida
Views: 228.498 Subshrub, Forb/herb - Annual great ragweed Synonyms: = Ambrosia trifida L. var. integrifolia (Muhl. ex Willd.) Torr. & A. Gray |
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