| Many fungi, especially in the Ascomycota, are obligatory associated with symbionts, either green algae or cyanobacteria. Such symbioses take a rich variety of forms, characteristic of the fungal species. Below you find a sample of the diversity of growth forms of the lichens with cyanobacterial symbionts. |
| Blennothallia crispa |
| Synonyms | : | Collema crispum |
| Nederlands | : | Gewoon geleimos |
| Norsk | : | kalkglye |
| Svenska | : | krusig gelélav |
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| Enchylium tenax |
| Synonyms | : | Collema tenax |
| Nederlands | : | Dik geleimos |
| Norsk | : | jordglye |
| Svenska | : | seg gelélav |
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| Ephebe lanata |
| English | : | Rockshag lichen |
| Deutsch | : | Wollige Flaumflechte |
| Norsk | : | vanlig trådlav |
| Svenska | : | trådlav |
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| Euopsis pulvinata |
| Deutsch | : | Polster-Schönauge |
| Svenska | : | mörk granatlav |
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| Lathagrium fuscovirens |
| Synonyms | : | Collema fuscovirens |
| Nederlands | : | Bolletjes-geleimos |
| Norsk | : | bølgeglye |
| Svenska | : | kalkgelélav |
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| Lathagrium cristatum |
| Synonyms | : | Collema cristatum |
| Norsk | : | fingerglye |
| Svenska | : | kamgelélav |
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| Lobarina scrobiculata |
| Synonyms | : | Lobaria scrobiculata |
| Deutsch | : | Grauschorfige Lungenflechte |
| Norsk | : | skrubbenever |
| Svenska | : | skrovellav |
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| Pannaria conoplea |
| English | : | Mealy-rimmed shingle lichen |
| Deutsch | : | Blaugraue Tuchflechte |
| Norsk | : | grynfiltlav |
| Svenska | : | grynlav |
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| Pannaria rubiginosa |
| English | : | Red-eyed shingle lichen |
| Deutsch | : | Rotfrüchtige Tuchflechte |
| Norsk | : | kystfiltlav |
| Svenska | : | västlig gytterlav |
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| Peltigera cf. hymenina |
| Nederlands | : | Kaal leermos |
| Deutsch | : | Salat-Schildflechte |
| Norsk | : | papirnever |
| Svenska | : | sydlig filtlav |
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| Peltigera didactyla |
| Nederlands | : | Soredieus leermos |
| English | : | Alternating dog-lichen |
| Deutsch | : | Zwerg-Schildflechte |
| Norsk | : | smånever |
| Svenska | : | styverlav |
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| Synalissa ramulosa & Romjularia lurida |
| Deutsch | : | Beeren-Gallertkissen |
| Svenska | : | synalissa |
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| Thyrea confusa |
| Deutsch | : | Bereifte Gallertnabelflechte |
| Svenska | : | navelgelélav |
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