Note that anise hyssop, " Agastache foeniculum " ( also called blue giant hyssop ), is a very different plant, although both are in the mint family.
9.
A book I found later in the house identified one as Korean mint ( Agastache rugosa ), which smells like root beer, and the other, a cousin, as anise hyssop ( Agastache foeniculum ), which has a slight licorice flavor.
10.
For example, a team of students from nearby California State University, Dominguez Hills has been trained to manage fennel ( " Foeniculum vulgare " ) and castor bean ( " Ricinus communis " ), two formerly very invasive plants at the preserve.