One of the 15 Hermetic Arts, Herbam is the form of plants and trees. This includes plant matter of all types, including that which is no longer alive, such as dead wood.
Hermetic Arts
Creo · Intellego · Muto · Perdo · Rego
Animal · Aquam · Auram · Corpus · Herbam Ignem · Imaginem · Mentem · Terram · Vim