Samples of the suffrutescent Dyssodia acerosa DC. were collected from
the Jornada Experimental Range in south-central New Mexico, and GC/MS
and retention indices were used to identify 62 components from the ste
am-distilled oil. Chrysanthenone (34.8%), limonene (14.5%), camphor (1
2.3%), alpha-pinene (6.8%), sabinene (4.3%), camphene (3.9%), (E)-beta
-ocimene (2.5%), 1,8-cineole (2.2%), myrcene (2.0%), and cis-sabinene
hydrate (1.6%) were the major components of the steam-distilled oil.