hawthorn vs heath

Any of various shrubs and small trees of the genus Crataegus having small, apple-like fruits and thorny branches 

Any small evergreen shrub of the family Ericaceae. 

Many of the species in the genus Cassiope 

A tract of level uncultivated land with sandy soil and scrubby vegetation; heathland. 

Both species in the genus Daboecia 

Any of the species in the genus Leucopogon, beard heath 

Coenonympha pamphilus, native to Europe, Asia except tropical India and Indochina, and Northern Africa, the small heath 

Many of the species in the genus Erica 

Coenonympha tullia, native to Europe, Asia except tropical India and Indochina, and North America, the large heath 

Any of the species in the genus Epacris, Australian heath 

Any of the species in the genus Phyllodoce, mountain heath 

Semiothisa clathrata, a moth known as the latticed heath 

Melitaea athalia, the heath fritillary