The term leatherleaf fern is identified in base64 scheme by the sequence bGVhdGhlcmxlYWYgZmVybg==, while the MD5 signature is equal to a8fa01e2198863b72e8d067a89a13470. The ASCII encoding of leatherleaf fern in hexadecimal notation is 6c6561746865726c656166206665726e.