豚草屬

豚草属（學名：*'）是一种原产于北美洲的杂草，适应力极强而且生长旺盛的植物，屬於双子叶植物纲的菊目菊科。大多數的豚草屬植物是一年生的，但也有多年生的，例如：A. dumosa*。有十個品種在索諾蘭沙漠生長。

品種

* Ambrosia ambrosioides ssp. septentrionale*

豚草 Ambrosia artemisiifolia：亦作豬草。
Ambrosia aspera
Ambrosia bidentata － Camphor Weed, Lanceleaf Ragweed
Ambrosia canescens － Hairy Ragweed
Ambrosia carduacea － Baja California Ragweed
Ambrosia chamissonis － Silver Burr Ragweed, Silver Beachweed, Silver Beach Burr
Ambrosia cheirnathifolia － Rio Grande Ragweed
Ambrosia chenopodiifolia － San Diego Burr Ragweed, San Diego Burrsage
Ambrosia confertiflora － Weakleaf Burr Ragweed
Ambrosia cordifolia － Tucson Burr Ragweed
Ambrosia coronopifolia
Ambrosia deltoidea － Triangle Burr Ragweed, Triangleleaf Bursage, Rabbitbush
Ambrosia dumosa － Burrobush, Burroweed, White Bursage
Ambrosia grayi － Woollyleaf Burr Ragweed
Ambrosia helenae
Ambrosia hispida － Coastal Ragweed
Ambrosia ilicfolia － Hollyleaf Burr Ragweed, Hollyleaf Bursage
Ambrosia intergradiens
Ambrosia johnstoniorum
Ambrosia linearis － Streaked Burr Ragweed
Ambrosia maritima 模式種
Ambrosia palustris
Ambrosia pannosa
Ambrosia parvifolia
Ambrosia peruviana － Peruvian Ragweed
裸穗猪草 Ambrosia psilostachya
Ambrosia pumila － Dwarf Burr Ragweed, San Diego Ambrosia
Ambrosia sandersonii
Ambrosia scabra

* Ambrosia scabra var. robusta*
* Ambrosia scabra var. tenuior*

* Ambrosia trifida texana* － Texan Great Ragweed

註腳
參考

(1973): Ragweed Control Techniques: Effect on Old-Field Plant Populations. Bulletin of the Torrey Botanical Club 100(6): 333-338. (HTML abstract, first page image)
(1963): The Morphology of the Inflorescence of Ragweeds (Ambrosia-Franseria: Compositae). American Journal of Botany 50(9): 872-880. (HTML abstract, first page image)
(2005): The spectrum of allergens in ragweed and mugwort pollen. International Archives of Allergy and Immunology 138(4): 337-346. PMID 16254437 (HTML abstract)