Use precise geolocation data. Actively scan device characteristics for identification. Store and/or access information on a ...

From May through October, you'll find five-petalled, papery white to pale purple notched flowers floating above the grass. They spread via seeds and stray plant parts. Since musk thistle (Carduus ...

Need a break? Play the USA TODAY Daily Crossword Puzzle. As a plant, milk thistle has bright magenta or purple flowers surrounded by large, prickly leaves, "which expel a milky white sap when ...

The Sacramento Mountains thistle is a rare purple flower than can grow to be six feet tall and lives only in wet, high-elevation habitats in the Sacramento Mountains near the town of Cloudcroft, New ...