Dittany can refer to two different plants with similar medical properties:
DITTANY (White) Binomial name Dictamnus albus Dictamnus albus, the only species in the genus Dictamnus, is known variously as False Dittany, White Dittany, Gas-plant or Burning-bush. It is a perennial herb in the rue family Rutaceae, native to southern Europe, north Africa and much of Asia. It is a plant...
Dictamnus albus
It is known variously as Burning-bush, False Dittany, White Dittany, and Gas-plant.
However, as the alternative name "False dittany" implies, it is unrelated to the Dittany found in Crete, which has a much more significant history of medicinal use.
Like Dittany of Crete they were believed to be useful for cordial and cephalic ailments, to help resist poison and combat putrefaction, and to be useful in malignant and pestilential fevers.