rhizomyid

例句：

1. 1. Rhizomycetes are a group of fungi that can grow on plant roots.
   根瘤菌是一类能在植物根部生长的真菌。
2. 2. The rhizomycetes play an important role in nitrogen fixation in the soil.
   根瘤菌在土壤中氮固定过程中起着重要作用。
3. 3. Rhizomycetes have been found to be beneficial for plant growth and health.
   研究发现，根瘤菌对植物的生长和健康有益。