| 词条 | Placynthium |
| 释义 |
| image = Placynthium nigrum 300308b.jpg | image_caption = Placynthium nigrum | regnum = Fungi | divisio = Ascomycota | classis = Lecanoromycetes | subclassis = Lecanoromycetidae | ordo = Peltigerales | familia = Placynthiaceae | genus = Placynthium | genus_authority = (Ach.) Gray | type_species = Placynthium nigrum | type_species_authority = (Huds.) Gray | subdivision_ranks = Species | subdivision = }}Placynthium is a lichenized genus of fungi within the Placynthiaceae family.[1] Members of this genus are commonly called blackthread lichens.[2][3] GalleryReferences1. ^{{cite journal |last=Lumbsch TH, Huhndorf SM. |date=December 2007 |title=Outline of Ascomycota – 2007 |journal=Myconet |volume=13 |issue= |pages=1–58 |id= |url=http://archive.fieldmuseum.org/myconet/outline.asp |accessdate= |publisher=The Field Museum, Department of Botany |location=Chicago, USA }} 2. ^USDA Natural Resources Conservation Service Name Search 3. ^Blackthread Lichen (Placynthium), Encyclopedia of Life External links
3 : Peltigerales|Lichens|Taxa named by Erik Acharius |
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