| Answer | Crossword Clue |
|---|---|
| LICHEN | Alga-fungus combination |
| LICHEN | Fungus + alga |
| LICHEN | Fungus-alga symbiosis |
| LICHEN | Fungus-alga union |
| LICHENS | Fungus-alga unions |
| LICHEN | Alga-fungus symbiosis |
| lichenism | the association of fungus and alga as a lichen |
| lichenisms | LICHENISM, the association of fungus and alga as a lichen |
| lichens | an organism that is formed by the symbiotic association of a fungus and an alga or cyanobacterium and occurs as crusty patches or bushy growths on tree trunks, bare ground, etc. Lichens are now classified as a phylum of fungi (Mycophycophyta) |
