Picture of the Day

Wavy-leafed Thistle

July 17, 2021   ―-  Archive

License: Creative Commons Attribution 4.0 International License.

Here is a wavy-leafed thistle (Cirsium undulatum) at the Lefthand OHV area in Boulder County, Colorado. It's native to western and central North America, from Canada to Mexico. The photo was taken on June 29, 2021.

Equipment used: Canon EOS Rebel T5i with a standard zoom lens (EF-S 18-55 mm).

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Authors: Richard Hollos and Stefan Hollos