The term black-stem spleenwort is identified in base64 scheme by the sequence YmxhY2stc3RlbSBzcGxlZW53b3J0, while the MD5 signature is equal to 706f7c28f6226f631ff7a8bad2333b28. The ASCII encoding of black-stem spleenwort in hexadecimal notation is 626c61636b2d7374656d2073706c65656e776f7274.