Artemisia pycnocephala (Less.) DC., Prodr. 6: 99 (1838) (syn: Artemisia campestris subsp. pycnocephala (Less.) H.M.Hall & Clem.; Artemisia campestris var. pycnocephala (Less.) M.Peck; Artemisia pachystachya DC.; Artemisia pycnostachya Torr. & A.Gray; Oligosporus pycnocephalus Less.);
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SW. Oregon to California as per POWO;
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Artemisia pycnocephala from California-GS02122021-4: 2 high res. images.
Artemisia pycnocephala clicked San Francisco Botanical Garden, California, 16-7-2008
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References: POWO Catalogue of Life The Plant List Ver.1.1 GCC IPNI
https://www.calflora.org/app/taxon?crn=720
https://www.wildflower.org/plants/result.php?id_plant=arpy3