| Synonym/Old Name | New Name | Taxonomy Group | ||
|---|---|---|---|---|
 | Laurencia pinnatifida | Osmundea pinnatifida | Rhodophyta | more info |
 | Laurencia succisa | Chondrophycus succisus | Rhodophyta | more info |
 | Laurencia undulata | Chondrophycus undulatus | Rhodophyta | more info |
 | Letterstedtia japonica | Umbraulva japonica | Chlorophyta | more info |
 | Liagora farinosa | Ganonema farinosum | Rhodophyta | more info |
 | Limnospira indica | more info | ||
 | Lithothamnion calcareum | Phymatolithon calcareum | Rhodophyta | more info |
 | Lomentaria impudica | Catenella impudica | Rhodophyta | more info |
 | Lophosiphonia reptabunda | Vertebrata reptabunda | Rhodophyta | more info |
 | Lyngbya crassa | Lyngbya majuscula | Cyanobacteria | more info |
 | Macroalgae | Macroalgae | more info | |
 | Macrocystis angustifolia | Macrocystis pyrifera | Phaeophyceae | more info |
 | Macrocystis comosa | Phyllospora comosa | Phaeophyceae | more info |
 | Mastocarpus ochotensis | Mastocarpus pacificus | Rhodophyta | more info |
 | Mastocarpus polycarpus | Gigartina polycarpa | Rhodophyta | more info |
 | Mesogloia decipiens | Nemacystus decipiens | Phaeophyceae | more info |
 | Mesogloia simplex | Saundersella simplex | Phaeophyceae | more info |
 | Micraloa aeruginosa | Microcystis aeruginosa | Cyanobacteria | more info |
 | Microcoleus chthonoplastes | Coleofasciculus chthonoplastes | Cyanobacteria | more info |
| Microcoleus sociatus | Konicacronema sociatus | Cyanobacteria | more info |
Credits to Prof Leonel Pereira
