{{Short description|Species of fungus}} {{Speciesbox | image = Mitrula paludosa 02.jpg | image_caption = ''Mitrula paludosa'' growing on swamp-leaves in the Middlesex Fells Reservation. | taxon = Mitrula paludosa | authority = Fr. }}
'''''Mitrula paludosa''''' (syn. ''Mitrula phalloides''), the '''swamp beacon''' (US) or '''bog beacon''', (UK) is a species of fungus. It is inedible.<ref name="Miller 2006">{{cite book|last=Miller Jr.|first=Orson K.|title=North American Mushrooms: A Field Guide to Edible and Inedible Fungi|last2=Miller|first2=Hope H.|publisher=FalconGuides|year=2006|isbn=978-0-7627-3109-1|location=Guilford, CN|pages=519|author-link=Orson K. Miller Jr.}}</ref>
==Habitat== These mushrooms are found in swamps and bogs across North America in the cooler climates of south-eastern Canada, New England south to the Mason–Dixon line, and much of the mid-western United States. Also present in Europe from the British Isles to Eastern Europe.
On the West Coast of the United States, the ''Mitrula elegans'' looks similar.
==Identification== Many related species of ''Mitrula'' look identical without microscopic study. The cap or club is yellow with a white stalk (possibly with some pink coloration). It is around 2–3 mm wide, and up to 4 cm tall.<ref>{{Cite web|title=Wildflowers, wild orchids, fungi, wildlife; nature books, reserves|url=https://www.first-nature.com/|access-date=2021-10-19|website=www.first-nature.com}}</ref>
==References== {{Reflist}}
==External links== *[https://web.archive.org/web/20050507063358/http://www.bioimages.org.uk/html/T1012.HTM Images of the bog beacon in the UK] *[http://www.nifg.org.uk/species/atlas2.htm?item=NBNSYS0000017535 Bog beacon locations in Northern Ireland] *[http://www.hlasek.com/mitrula_paludosa_6556.html Photographs with many European language translations of the name]
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Category:Helotiales Category:Fungi of Europe Category:Fungi of North America Category:Inedible fungi Category:Fungus species Category:Taxa named by Elias Magnus Fries
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