''Grindelia aggregata'' is a rare North American species of flowering plants in the family

Asteraceae Asteraceae () is a large family (biology), family of flowering plants that consists of over 32,000 known species in over 1,900 genera within the Order (biology), order Asterales. The number of species in Asteraceae is rivaled only by the Orchi ...

. It is native to western Canada, found only in salt marshes and tidal flats along the seacoast in the southern part of

Vancouver Island Vancouver Island is an island in the northeastern Pacific Ocean and part of the Canadian province of British Columbia. The island is in length, in width at its widest point, and in total area, while are of land. The island is the largest ...

British Columbia British Columbia is the westernmost Provinces and territories of Canada, province of Canada. Situated in the Pacific Northwest between the Pacific Ocean and the Rocky Mountains, the province has a diverse geography, with rugged landscapes that ...

. ''Grindelia aggregata'' is a branching herb up to tall. Leaves are thick and leathery, up to long, with no hairs on the faces of the leaf but a few along the edges. Flower heads are about across, each containing 23-33 yellow ray flowers surrounding numerous small disc flowers.Steyermark, Julian Alfred. 1934. Annals of the Missouri Botanical Garden 21(3): 566-567

diagnosis Diagnosis (: diagnoses) is the identification of the nature and cause of a certain phenomenon. Diagnosis is used in a lot of different academic discipline, disciplines, with variations in the use of logic, analytics, and experience, to determine " ...

Latin Latin ( or ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally spoken by the Latins (Italic tribe), Latins in Latium (now known as Lazio), the lower Tiber area aroun ...

, description and commentary in English, line drawing on page 565 (figure 30 at right)

References

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photo of herbarium specimen at Missouri Botanical Garden, collected in British Columbia in 1903, holotype of ''Grindelia aggregata''
aggregata Flora of British Columbia Salt marsh plants Plants described in 1934 Flora without expected TNC conservation status {{Astereae-stub