You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "Which genus of plant consists of more species, Bruckenthalia or Fothergilla?" whose answer is Fothergilla.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Fothergilla species count
Useful Output:

Doc 1: Species 2 (2 in the flora). The species of Fothergilla are spring-flowering shrubs with inflorescences of apetalous flowers and heads of
Doc 2: Only two species of fothergilla exist and both are native to the southeastern United States – large Fothergilla and dwarf Fothergilla:.
Doc 3: Recent treatments recognized only two species in the genus: F. gardenii (tetraploid) and F. major (hexaploid). Until recently, no diploid taxon
Doc 4: Recent treatments recognized only two species in the genus: F. gardenii (tetraploid) and F. major (hexaploid). Until recently, no diploid
Doc 5: The two species vary dramatically in the size of their physical characters and there is no overlap in their natural ranges. Fothergilla gardenii. Often known as