Limnology and Oceanography, Vol. 54, No. 4 (Jul., 2009), pp. 1282-1291 (10 pages) Constraints imposed by the spherical form and gelatinous matrix of centimeter-thick colonies of the cyanobacterium ...
Q. For the last few years we have noticed some green blobs on our gravel drive. It only grows in size when it rains and dries up and turns black when the weather is sunny. It looks like turkey ...