| A | B |
| phycologist | studies algae |
| mycologist | studies fungi |
| botanist | studies plants |
| Myxomycota | Plasmodial Slime molds |
| Sarcodina | amoeba and foraminifera |
| Rhodophyta | red algae (where we get "agar") |
| Phaeophyta | brown algae (kelp & Fucus) |
| Chlorophyta | green algae (Ulva & Chlamydomonas) |
| Diatoms | radiolarians (double shell of silica) |
| Dinoflagellates | red tides |
| Zoomastigotes | Trypanosomes (sleeping sickness) |
| Euglenoids | Ex: Euglena, a flagellated photosynthetic protist |
| Ciliophora | ex: Paramecium |
| Sporozoans | malaria |
| Zygomycota | ex: fungi including black bread mold like Rhizopus |
| Ascomycota | fungi including morels, yeast, truffles |
| Saccharomyces cerevisiae | yeast that is used to make beer and bread |
| Basidiomycota | fungi that include mushrooms, toadstools, puffballs, shelf fungi |
| Fungi Imperfecti | includes Penicillium and Aspergillus; athlete's foot and ringworm |
| Aspergillus | fungi used to make citric acid |