RHH's photos with the keyword: thistle

Photographed along the road in Kerr County, Texas.

I believe this is Elk Thistle, a plant native to Yellowstone National Park and photographed in the Fountain Paint Pots area of the park. Its root is edible and an explorer who was separated from his party and lost for over a month in the park in 1870 subsisted on the raw root of the plant the whole time since itt was the only edible plant he knew.

This is a native thistle, gone to seed and with the seeds of Meadow Salsify caught in the old flower heads.

Photographed in the backcountry along the Cascade Pass Trail, this appears to be the species Onopordum acanthium, the Scotch Thistle.