silybum marianum cardus marianus, milk thistle, blessed milkthistle, marian thistle, mary thistle or scotch thistle dry flowers

silybum marianum cardus marianus milk thistle blessed milkthistle marian mary or scotch dry flowers branch macro background beautiful black blue botany closeup cold day december detail field flora flower foliage frost frosted frozen garden herb herbal holiday ice landscape leaves meadow nature old outdoor park plant season silhouette small snow snowy sunny weathered white wild winter yellow