| Chaenotheca | |
|---|---|
|   | |
| Chaenotheca chlorella | |
|  Scientific classification   | |
| Domain: | Eukaryota | 
| Kingdom: | Fungi | 
| Division: | Ascomycota | 
| Class: | Coniocybomycetes | 
| Order: | Coniocybales | 
| Family: | Coniocybaceae | 
| Genus: |  Chaenotheca  (Th.Fr.) Th.Fr. (1860)  | 
| Type species | |
|  Chaenotheca chrysocephala  | |
| Synonyms | |
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Chaenotheca is a genus of lichenized fungi within the family Coniocybaceae. [1] The sexual reproduction structures are a mass of loose ascospores that are enclosed by a cup shaped exciple sitting on top of a tiny stalk, having the appearance of a dressmaker's pin (called a mazaedium), hence the common name pin lichen . [2] : 15 Genus members are also commonly called needle lichens. [3] Photobiont partners for Chaenotheca include members of the algae genera Symbiochloris , Trebouxia , Trentepohlia , and Tritostichococcus . [4]