Are both Derwentia and Elsholtzia endemic to Australia?
Elsholtzia Elsholtzia is a plant genus in the Lamiaceae (mint family). It is widespread across much of temperate and tropical Asia from Siberia south to China, India, Indonesia, etc.
Grevillea floribunda Grevillea floribunda, commonly known as the seven dwarfs grevillea, is a shrub which is endemic to central New South Wales and Queensland west of the Great Dividing Range in Australia.