“Regulus calendula calendula” by Jos. H. Riley (23 Jul 1911) is a public-domain (CC0) artwork, free to view, download and reuse for any purpose. It is catalogued from the open collection of Smithsonian Open Access.

Regulus calendula calendula

Regulus calendula calendula

TitleRegulus calendula calendula
ArtistJos. H. Riley
Date23 Jul 1911 20th century
MediumSkin: Whole
OriginMoose River, N fork, British Columbia, Canada, North America Moose River
Holding institutionSmithsonian Open Access
RightsPublic domain (CC0)

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Updated 2026-09-05