Description:
"No recruits present" indicates quadrats surveyed that contained no recruits;"aa2" refers to individuals that appeared to be A. americana but had somewhat broader branchlets and were not as slimy as classic A. americana. All aa2 colonies that were examined under stereoscope had A. americana;"No measurement" indicates that recruits' heights were not recorded; "X polyps" refers to the number of polyps of the recruit 1, 2, 3, 4, 5, or 6 polyps