question: What plant, commonly known as grey mangrove or white mangrove, has had a bacterium species from the genus of "Streptomyces" isolated from its rhizosphere? 
answer: Avicennia marina
context: Title: Streptomyces sundarbansensis
  Passage: Streptomyces sundarbansensis is a bacterium species from the genus of "Streptomyces" which has been isolated from soil from a mangrove forest from the Lothian Island in India.  "Streptomyces sundarbansensis" produces 2-allyloxyphenol.
  Title: Streptomyces rhizophilus
  Passage: Streptomyces rhizophilus is a bacterium species from the genus of "Streptomyces" which has been isolated from rhizosphere soil from the plant Sasa borealis.
  Title: Avicennia marina
  Passage: 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).  As with other mangroves, it occurs in the intertidal zones of estuarine areas.
  Title: Streptomyces fabae
  Passage: Streptomyces fabae is a bacterium species from the genus of "Streptomyces" which has been isolated from rhizosphere soil from the soybean (Glycine max) from Gyeonggi Siheung Sorae in Korea.  "Streptomyces fabae" has anti-microbiology activity.
  Title: Streptomyces sanyensis
  Passage: Streptomyces sanyensis is a bacterium species from the genus of "Streptomyces" which has been isolated from mangrove soil in Sanya in Hainan in China.  "Streptomyces sanyensis" produces indolocarbazoles.
  Title: Streptomyces jiujiangensis
  Passage: Streptomyces jiujiangensis is a bacterium species from the genus of "Streptomyces" which has been isolated from rhizosphere soil from a pine tree from the Mount Lu in the Jiangxi province in China.  "Streptomyces jiujiangensis" produces antialgal compounds.
  Title: Streptomyces lacticiproducens
  Passage: Streptomyces lacticiproducens is a bacterium species from the genus of "Streptomyces" which has been isolated from the rhizosphere of a tomato plant in Guangzhou in China.  "Streptomyces lacticiproducens" produces lactic acid.
  Title: Streptomyces avicenniae
  Passage: 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.
  Title: Streptomyces xiamenensis
  Passage: Streptomyces xiamenensis is a bacterium species from the genus of "Streptomyces" which has been isolated from mangrove sediments in Xiamen in the Fujian Province in China.  "Streptomyces xiamenensis" produces the antifibrotic drug xiamenmycin.
  Title: Streptomyces graminisoli
  Passage: Streptomyces graminisoli is a bacterium species from the genus of "Streptomyces" which has been isolated together with Streptomyces rhizophilus from rhizosphere soil from the plant Sasa borealis.
citations: Avicennia marina Streptomyces avicenniae