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 Petrophytum and Townsendia both in the rose family?" whose answer is no.
Each document should contain about 30 words, and these documents should contain useful information.

Query: classification of Petrophytum
Useful Output:

Doc 1: Rocky Mountain Rockmat or Dwarf Spiraea's tiny, closely packed, single-veined leaves of silver form dense cushions 1 in. high and up to 2-3 ft.
Doc 2: APG IV Classification: Domain: Eukaryota • (unranked): Archaeplastida • Regnum: Plantae • Cladus: Angiosperms • Cladus: eudicots • Cladus:
Doc 3: Classification. Kingdom Plantae; Phylum Streptophyta; Class Equisetopsida; Subclass Magnoliidae; Order. Rosales. View Order Tree opens in a new tab. Family.
Doc 4: Genera In Family: 110 genera, +- 3000 species: worldwide, especially temperate; many cultivated for ornament, fruit, especially Cotoneaster, Fragaria, Malus,
Doc 5: International Vegetation Classification Hierarchy ; Biome: TT4. Temperate-Boreal Grassland & Shrubland ; Subbiome: TT4.c. Temperate-Boreal Open Rock ; Formation:.