Identificaciones de lehacarpenter

Pacific Silverweed (Argentina pacifica) Native plant in the Rose (Rosaceae) family that is commonly seen on edges of moist sand dunes or in damp places along or near the coast. Leaves are pinnate with 5-10 sharply toothed leaflets on each side. Common name "silverweed" refers to the silver color of the leaflets’ underside. It has 5-petaled yellow flowers. Peak bloom time: April- August.

Calflora (with species distribution map in CA): https://www.calflora.org/app/taxon?crn=6826

Link to my favorite Pacific Silverweed obs showing the silvery leaf underside: https://www.inaturalist.org/observations/166928666

Monterey County Wildflowers: a Field Guide, Yeager and Mitchell, 2016, p. 375.

Plants of Monterey County: an Illustrated Field Key, 2nd edition, Matthews and Mitchell, 2015, pp.284-285.

Flora of Fort Ord: Monterey County, California, David Styer, 2019, p. 189.

Jepson eFlora https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=52485
eJepson still calls Pacific Silverweed "Potentilla anserina subsp. pacifica" as of 7/26/24. There was a Taxon Swap that changed the name to Argentina pacifica (Pacific Silverweed).

Monterey County Wildflowers https://montereywildflowers.com/rosaceae-cinquefoil/
(still calls it Pacific Silver-weed – Potentilla anserina subsp. pacifica as of 6/11/23)

"Argentina anserina got split into Argentina anserina and Argentina pacifica.
A anserina: Leaf 3–15 cm, upper leaf surface densely hairy; pedicel generally 2–7 cm; found at ~1200–2600 m elevation;mostly in eastern California.
A pacifica: Leaf ~3–50 cm, more or less hairless upper surface, pedicel generally 5–30 cm; generally found growing < 150 m elevation; coastal California."
per INat graysquirrel: https://www.inaturalist.org/observations/99908014