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: "Are both Rowan and Sorghastrum native to Africa?" whose answer is no.
Each document should contain about 30 words, and these documents should contain useful information.

Query: native range of Sorghastrum in Africa
Useful Output:

Doc 1: Sorghastrum includes about 18 species. Most are native to tropical or subtropical America, two are African, and four are native to the Flora region.
Doc 2: This datasheet on Sorghastrum nutans covers Identity, Distribution, Biology & Ecology, Uses, Further Information.
Doc 3: Plants are indigenous to prairies, prairie remnants, savannas, limestone glades, serpentine barrens, grassy fens, roadsides, railroad right-of-ways, ditches and
Doc 4: Kleingrass is a warm-season, perennial bunchgrass which is native to Africa. It grows 3 to 4 feet tall. Kleingrass reproduces by both seed and rhizomes
Doc 5: The native range of this genus is America, Tropical & S. Africa. Taxonomy · Images · General information. Distribution; Synonyms; Accepted Species