The term melancholy thistle is identified in base64 scheme by the sequence bWVsYW5jaG9seSB0aGlzdGxl, while the MD5 signature is equal to 21b851d75c97d9c27281bc798a0d4a40. The ASCII encoding of melancholy thistle in hexadecimal notation is 6d656c616e63686f6c792074686973746c65.