What plant, commonly known as grey mangrove or white mangrove, has had a bacterium species from the genus of "Streptomyces" isolated from its rhizosphere? 
Streptomyces avicenniae: Streptomyces avicenniae is a bacterium species from the genus of "Streptomyces" which has been isolated from the rhizosphere of the plant Avicennia marina in the Fujian Province in China. Avicennia marina: Avicennia marina, commonly known as grey mangrove or white mangrove, is a species of mangrove tree classified in the plant family Acanthaceae (formerly in the Verbenaceae or Avicenniaceae).
Avicennia marina