Coastal Gumweed, Oregon Gumplant, Oregon Gumweed
Grindelia stricta var. stricta
Synonyms: Grindelia arenicola, Grindelia integrifolia var. macrophylla, Grindelia stricta ssp. stricta
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Coastal gumweed as seen at left growing amongst pickleweed in a saltmarsh at Barview Jetty County Park at the mouth of Tillamook Bay, Oregon coast.........Augusts 26, 2009. Note: Some taxonomists have lumped this into Grindelia hirsutula. The photo at right shows coastal gumweed blooming in the saltmarsh at Sitka Sedge State Natural Area........August 19, 2018.
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Close-ups of the disk and ray flowers and involucral bracts of coastal gumweed at Barview Jetty County Park at the mouth of Tillamook Bay, Oregon coast.........Augusts 26, 2009.
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Coastal gumweed as seen at the upper edge of mudflats on the east side of Bayocean Spit, northern Oregon coast..........August 25, 2012.
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Coastal gumweed as seen (left and center) at Barview Jetty County Park at the mouth of Tillamook Bay, Oregon coast........Augusts 26, 2009. The photo at right shows coastal gumweed in bloom in bayside wetlands at Sitka Sedge State Natural Area, Oregon coast......July 28, 2022.
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Coastal gumweed as seen at the upper edge of mudflats on the east side of Bayocean Spit, northern Oregon coast..........June 20, 2024.
Paul Slichter