The Voynich Manuscript is on its way to be translated. A plant specialist realized the plants depicted were from Mexico and that the language may have been one of the languages like Mayan.
My wife is experienced in ayurvedic herbology, and she also claimed to recognize many of the plants depicted in the book. She believes it to be an ayurvedic manual that was imported to Europe, and then re-copied by an indifferent scribe when the original palm-leaf pages and vegetable ink started to deteriorate.