milk thistle in a meadow.

asteraceae background beautiful blessed bloom blossom botanical cactus cardo cardus closeup color colorful danger field flora floral flourishing flower garden grass growth hairy healthy herbal liver mariano marianum marianus mary meadow medicine milk morning nature needles outdoor outdoors pharmacology pink plant pretty prickle protection purple roadside season sharp silybum silymarin spikes summer sunset thistle thorns violet weed wild wildflower