anabaena; a filamentous cyanobacterium, photosynthetic, 500x at 35mm. large oval cell is a heterocyst, nitrogen fixation takes place here. prokaryotic cells, gram negative. - 螺旋魚腥藻 個照片及圖片檔藍菌門, 細菌, 細胞
Ferny azolla , floating fern with tiny overlapping leaves and branched roots. All Australia except Tasmania.
anabaena; a filamentous cyanobacterium, photosynthetic, 250x at 35mm. large oval cells are heterocysts, nitrogen fixation takes place in the heterocysts. formerly known as blue-green algae. prokaryotic cells, gram negative. - 螺旋魚腥藻 個照片及圖片檔藍菌門, 細菌