No detailed pharmacological study on the species is available. The plant is regarded to possess spasmolytic and antihelmintic properties, but the experimental basis for this is insufficient (Heinrich, et al., 1997). The ethanolic crude extract was shown to possess antimicrobial activity against gram positive, (Bacillus subtilis DSM 347 and Micrococcus luteus DSM 348) and gram negative bacteria (E. coli DSM 1077) and against non-pathogenic fungi (Cladosporium cucumerinum, Penicillium oxalicum). This extract was inactive against Entamoeba histoytica in vitro (Heinrich, et al., 1992a). Studies from the late 19th century indicate anthelmintic effects of the plant extract (Lozoya and Lozoya, 1982). Martinez, (1969) remarked that Artemisia ludoviciana ssp. mexicana is regarded as less toxic than, for example, Artemisia
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