| Subject | English | Spanish |
| fish.farm., energ.ind. | algae biomass | biomasa algal |
| meteorol. | algae bloom | floración algal |
| nat.sc. | algae bloom | flora acuática |
| UN | algae control | lucha contra la proliferación de las algas |
| agric. | algae culture | alguicultura |
| agric. | algae culture | cultivo de algas |
| gen. | algae for human or animal consumption | algas para la alimentación humana o animal |
| bot. | benthic algae | algas bentónicas |
| bot. | blue algae | algas azules |
| life.sc. | blue-green algae | algas verde-azuladas (Cyanobacteria, Cyanophyceae, Cyanophycota, Cyanophyta) |
| life.sc. | blue-green algae | algas azules (Cyanobacteria, Cyanophyceae, Cyanophycota, Cyanophyta) |
| environ. | blue-green algae | alga verde-azul |
| environ. | blue-green algae | alga azul |
| biochem. | blue-green algae | algas cianofíceas Cyanophyceae |
| ichtyol. | blue-green algae | algas verde-azules |
| ichtyol. | blue-green algae | cianófitas |
| ichtyol. | blue-green algae | cianobacterias |
| biochem. | blue-green algae | algas azul-verdes Cyanophyceae |
| biochem. | blue-green algae | algas verde-azuladas Cyanophyceae |
| life.sc. | blue-green algae | cianoficeas (Cyanobacteria, Cyanophyceae, Cyanophycota, Cyanophyta) |
| nat.sc., agric. | brown algae | algas pardas (Phaeophyceae) |
| nat.sc., agric. | brown algae | feofíceas (Phaeophyceae) |
| nat.sc., agric. | brown algae | feoficeas (Phaeophyceae) |
| nat.sc., agric. | brown algae | algas oscuras (Phaeophyceae) |
| fish.farm. | brown algae | alga parda |
| bot. | brown algae | algas pardas Phaeophyceae |
| nat.res., agric. | calcareous marine algae | alga marina caliza |
| environ. | coralline red algae | alga roja coralina |
| bot. | filamentous algae | algas filamentosas |
| bot. | golden brown algae | algas pardoamarillentas Chrysophyceae |
| nat.sc., agric. | golden brown algae | algas pardoamarillentas (Chrysophyceae) |
| nat.sc., agric. | golden brown algae | crisoficeas (Chrysophyceae) |
| bot. | golden brown algae | crisofíceas Chrysophyceae |
| nat.sc., agric. | grass-green algae | algas verdes (Chlorophiceae, Chlorophycophytes) |
| nat.sc., agric. | grass-green algae | clorofíceas (Chlorophiceae, Chlorophycophytes) |
| bot. | green algae | algas clorofíceas |
| nat.sc., agric. | green algae | algas verdes (Chlorophiceae, Chlorophycophytes) |
| fish.farm. | green algae | alga verde |
| nat.sc., agric. | green algae | clorofíceas (Chlorophiceae, Chlorophycophytes) |
| bot. | green algae | algas verdes |
| environ. | growth of algae | proliferación de las algas (Flos algae) |
| environ. | growth of algae | proliferación de algas (Flos algae) |
| environ. | growth of algae | desarrollo de las algas (Flos algae) |
| agric., chem. | heterocystous algae | algas heterocísticas |
| environ. | paper production from excess algae | producción de papel a partir de algas superabundantes |
| food.ind., chem. | processed eucheuma algae | alga Eucheuma elaborada |
| nat.res. | red algae | algas rojas |
| nat.res. | red algae | feofíceas |
| fish.farm. | red algae | alga roja |
| bot. | red algae | rodofíceas Rhodophyceae |
| environ. | sessile algae | alga sésile |
| environ., agric. | sewage-grown algae | alga cultivada en aguas residuales |
| tech. | solar-algae pond | estanque solar para algas |
| UN, chem. | unicellular algae | único célula algae |
| nat.sc., agric. | yellow-green algae | algas verdeamarillentas (Xanthophyceae) |
| nat.sc., agric. | yellow-green algae | xantoficeas (Xanthophyceae) |
| bot. | yellow-green algae | algas verdeamarillentas Xanthophyceae |
| bot. | yellow-green algae | xantofíceas Xanthophyceae |