| 词条 | Rhodocollybia |
| 释义 |
| image = Rhodocollybia butyracea051207D.jpg | image_width = 240px | image_caption = Rhodocollybia butyracea | regnum = Fungi | divisio = Basidiomycota | classis = Agaricomycetes | ordo = Agaricales | familia = Marasmiaceae | genus = Rhodocollybia | genus_authority = Singer | type_species = Rhodocollybia maculata | type_species_authority = (Fr.) Singer | subdivision_ranks = Species | subdivision = Approx. 30 species – see text. }} Rhodocollybia is a genus of Basidiomycete mushroom. Species in this genus, formerly classified as a subgenus in Collybia, have fairly large caps (typically larger than {{convert|5|cm|in|1}} broad), and have a pinkish-tinted spore print. Microscopically, they are characterized by having spores and basidia that are dextrinoid—staining deep reddish to reddish-brown with Melzer's reagent when tested for amyloidity. Rhodocollybia species are commonly found in temperate North America and Europe, and infrequently in Central and South America. TaxonomyThe genus name Rhodocollybia was first used by Rolf Singer in 1939 to describe those species of Collybia with a pink spore deposit;[1] in later works he considered the genera equivalent (synonymous) and called them Collybia.[2][3] In 1997, Antonín and Noordeloos studied various members of Collybia using phylogenetic analysis, and reorganized the genus, dividing species into either Collybia, Gymnopus, or Rhodocollybia.[4] DescriptionThe caps of species in this genus are relatively large, often more than {{convert|5|cm|in|1}} in diameter, convex in shape but in maturity flattening, or often developing a shallow umbo–a mound in the center of the cap. The surface of the cap is often uneven, and slimy or slippery (lubricous) to the touch. The cap color can range from whitish to dark reddish brown. The gills are whitish to pinkish cream in color, and have an adnexed attachment to the stem. The stem is usually long and thick (relative to the cap diameter), often more than {{convert|7|cm|in|1}} long and at least {{convert|0.5|cm|in|1}} thick; the color usually whitish or the same color as the gills.[5] This type of agaric, collybioid mushroom has pale spore deposits which range from pinkish buff to pinkish cream.[6]
Habitat and distributionRhodocollybia species are found growing scattered to clustered together on forest duff or on well-rotted wood, in coniferous forests.[5] Species of Rhodocollybia can be found in various parts of the United States, including Maine, Hawaii,[8] and in California in conifer woods on needle duff or on rotting wood.[9] Species in this genus can also be found in such European countries as Poland and the Czech Republic. A 1989 work by mycologist Roy Halling reported three neotropical species: R. turpis from Colombia and Costa Rica, C. popayanica from Colombia, and C. sleumeri from Ecuador.[7]Species
Found in the Mediterranean region of Europe (Italy and France), grows in thermophilous forests with Holm Oak (Quercus ilex), Strawberry trees, (Arbutus unedo) and Pine trees (genus Pinus).[11]
Cap {{convert|8|to|11|cm|in|1}} in diameter, light yellow in youth but turning pale orange with brown streaks and spots in maturity. Found in Colombia.[13]
See also{{Portal|Fungi}}
References1. ^{{cite journal |last=Singer R. |year=1939 |title=Phylogenie und Taxonomie der Agaricales. |journal= Schweizerische Zeitschrift für Pilzkunde |volume=17 |issue= |pages=71–73|language=German}} 2. ^{{cite book |author=Singer R. |title=The Agaricales in Modern Taxonomy. 4th ed. |publisher=Koeltz Scientific Books |location=Koenigstein |year=1986 |pages= |isbn=3-87429-254-1}} 3. ^{{cite journal |last=Singer R. |year= 1951 |title=The Agaricales in Modern Taxonomy |journal=Lilloa |volume=22 |issue= |pages=1–832}} 4. ^Antonín V, Noordeloos ME. (1997). A Monograph of Marasmius, Collybia and related general in Europe. IHW - Verlag: Eching, Germany. 256 p. 5. ^1 2 {{cite journal |last=Lennox JW.|year=1979 |title=Collybioid genera in the Pacific Northwest |journal=Mycotaxon |volume=9 |issue=1 |pages=117–231}} 6. ^{{cite web |url=http://www.mykoweb.com/CAF/skey/agaric.html |title=California Fungi -- Agarics (Gilled Mushrooms) |work= |accessdate=2009-06-27}} 7. ^{{cite web |url=http://www.nybg.org/bsci/res/col/rhodo.html |title=Rhodocollybia in NE USA |publisher=The New York Botanical Garden|work= |accessdate=2009-06-27}} 8. ^{{cite web |url=http://www.mycena.sfsu.edu/pages/hawaiian/Native_Forests/Rhodocollybia_sp.html |title=Rhodocollybia laulaha |publisher=Agaricales of the Hawaiian Islands|work= |accessdate=2009-06-27}} 9. ^{{cite web |url=http://www.mykoweb.com/CAF/species/Rhodocollybia_badiialba.html |title=California Fungi: Rhodocollybia badiialba |work= |accessdate=2009-06-27}} 10. ^1 2 3 4 5 6 {{cite journal |last=Mata JL, Halling RE, Hughes KW, Petersen RH. |year= 2004|title=Rhodocollybia in neotropical forests |first4=Ronald H. |last4=Petersen |first3=Karen W. |last3=Hughes |journal=Mycological Progress |first2=Roy E. |volume=3 |issue=4 |last2=Halling |pages=337–51 |doi=10.1007/s11557-006-0104-x |first1=Juan L.}} 11. ^{{cite journal |vauthors=Antonin V, Neville P |year=1998 |title=Rhodocollybia giselae, a new species from the Mediterranean region in Europe |journal=Czech Mycology |volume=50 |issue=3 |pages= 181–84}} 12. ^{{cite journal |author=Cooper J. |title=Nomenclatural novelties |journal=Index Fungorum |volume=193 |date=17 October 2014 |url=http://www.indexfungorum.org/Publications/Index%20Fungorum%20no.193.pdf |format=PDF |page=1}} 13. ^1 2 3 4 {{cite journal |last= Halling RE. |year= 1989 |title=Notes on Colybia III. Three neotropical species of subg. Rhodocollybia |journal=Mycologia |volume=81 |issue=6 |pages=870–75 |doi= 10.2307/3760105 |jstor= 3760105 |publisher= Mycological Society of America}} Further reading
2 : Marasmiaceae|Agaricales genera |
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