I made a pdf of the Lexica Botania for version 1.20.1. Just wanted to share. I tried to keep it as faithful to the in game version as possible, making minor changes since the format changed from an online interactable book to an actual book.
https://drive.google.com/file/d/1CWzwP_ZVdWndX-Rt3GTU-zjcJ3Wkgx_i/view?usp=sharing