Fig. S1.
Proportion of S. thermo.-indel–containing variants in total ITS2 sequences from C3 predominated cnidarians (n = 116) from the PAG. Cnidarians included in the analysis contained >50% clade C Symbiodinium, of which >95% were C3 or closely related variants. Average % S. thermo.-indel–containing amplicons: 16.6%.