| 词条 | Usnea strigosa |
| 释义 |
| name = Bushy Beard Lichen | image = Usnea strigosa.jpg | regnum = Fungi | phylum = Ascomycota | classis = Lecanoromycetes | ordo = Lecanorales | familia = Parmeliaceae | genus = Usnea | species = U. strigosa | binomial = Usnea strigosa | binomial_authority = (Ach.) Eaton }} Usnea strigosa, commonly known as Bushy Beard Lichen, is a lichen in the family Parmeliaceae. DistributionU. strigosa has worldwide distribution. It is a common tree lichen in Eastern and Southeastern North America.[1][2]DescriptionThis lichen is fruticose with 2 to 5 cm long branches and abundant terminal apothecia about 5 mm wide.[1] TaxonomyU. strigosa has three recognized subspecies, major, rubiginea, and strigosa. There are also several chemotypes, bringing the current taxonomy into doubt.[1][3][4]EcologyU. strigosa grows on trees. The most frequent hosts of this lichen are oak trees.[2] The photosynthetic symbionts of Usnea species are Chlorophyta green algae. References1. ^1 2 "CNALH - Usnea strigosa". http://lichenportal.org/portal/taxa/index.php?taxauthid=1&taxon=54697&cl=1191 (accessed 10 Jan, 2015). {{Taxonbar|from=Q10711259}}{{Lecanoromycetes-stub}}2. ^1 "Lichens USGA -- identification Guide -- Discover Life".http://www.discoverlife.org/mp/20q?guide=Lichens_USGA (accessed 10 Jan, 2015). 3. ^"ITIS Standard Report page - Usnea strigosa". https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=190835 (accessed 10 Jan, 2015). 4. ^"Strigose Beard Lichen (Usnea strigosa)". http://eol.org/pages/2858846/overview (accessed 10 Jan, 2015), 2 : Lichens|Usnea |
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