More heather is a phrase that refers to an abundance of heather plants. Alternatively, there are several synonyms or related words one can use to describe heather bushes. For instance, one can use the word "ling" to refer to a heather plant, or use "calluna" to describe heathers in the scientific taxonomy. "Erica," on the other hand, refers to a different but related genus, which can also be used as a synonym for heather. Other related words include "moorland," "hillside," "heath," and "heathland." Essentially, there is a variety of ways one can refer to heather plants, depending on the context, tone, and intended purpose.