The Quacks of Quedlinburg: The Herb WitchesExpansion

From BoardGameGeek:

The Quacks of Quedlinburg: The Herb Witches expands the town of Quedlinburg with four new sets of items: The Witches - new characters with special abilities that players may use once per game Locoweed - a new ingredient whose value is determined by its ability rather than being fixed New ingredient books for each existing ingredient type, increasing variety even further Player components in black color - increasing the number of players to 5