Gumweed

a photo of a gumweed
Gumweed (Grindelia subalpina) is an easy composite to identify in spite of its yellow disk and ray flowers. The white "goo" on the unopened buds and the curly involucral bracts (the tiny leaf like structures surrounding the unopened buds and on the backs of opened flowers) are easy identifying characteristics.

Photo courtesy of Rocky Mountain National Park.

Last updated: March 31, 2012

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Mailing Address:

1000 US Hwy 36
Estes Park, CO 80517

Phone:

970 586-1206
The Information Office is open year-round. During summer, the office is open from 8 am to 4 pm daily. During the winter season, the office is open from 8 am to 4 pm Monday - Friday, and from 8 am to noon on Saturdays and Sundays. For information on Trail Ridge Road, the recorded Trail Ridge Road status line is available 24 hours a day: (970) 586-1222.

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