Figure 2From: Phylogenetic relationships and taxonomic position of Chlorella-like isolates from low pH environments (pH < 3.0)LM and SEM micrographs of " C ." proptothecoides var. acidicola strain 124. (a) LM micrograph under culture conditions. (b) – (c) SEM micrographs showing the different morphology of the outer cell wall: smooth cell wall in (b); cell wall covered by a network of ribs in (c).Back to article page