Silky Rosegill

(Volvariella bombycina)

Conservation Status
Silky Rosegill
Photo by Honey Fae (Farah)
  IUCN Red List

not listed


NNR - Unranked


not listed


Silky Rosegill is a widespread and conspicuous but uncommon, medium-sized to large, edible, gilled mushroom. It occurs in Europe, North America, and Central America, and there are scattered reports of it in east Asia and Africa. In the United States it is most common east of the Great Plains. It is found in deciduous and mixed woodlands. It appears from July through October, usually alone, sometimes close together but not clustered, in standing, living or dead hardwood trees, stumps, and logs. It grows on dead hardwood and on the wounds of living trees. It obtains its nutrients from dead and decaying wood (saprobic).

When it first appears, the fruiting body is enveloped in a thick, egg-shaped, protective covering (universal veil). The surface of the universal veil is white and often cracked into brownish, irregularly-shaped blocks. The fruiting body soon bursts through and expands into a stalked mushroom. The cap is white and is bell-shaped or convex at maturity, becoming yellowish or brownish and nearly flat in old age. The mature cap can be 2 to 8 (5 to 20 cm) in diameter but is usually no more than 4¾ (12 cm) wide. The upper surface is dry, white to yellowish, and densely covered with long, silky, hair-like fibers (fibrillose). This is the feature that gives the species its common name.

The stalk is white, dry, smooth, and firm. It is often curved to hold the cap parallel to the ground. It can be 2 to 8 (6 to 20 cm) long and to 1316 (1 to 3 cm) thick, but it is usually no more than 6 (15 cm) long. The universal veil persists as a deep, white to yellowish or brownish, sac-like cup (volva) at the base of the stalk.

The gills are not attached to the stalk (free). They are broad, crowded, and white when young, becoming flesh-colored or pink at maturity. This is the feature that gives the genus its common name.

The flesh is thin, white, and soft. It does not change color when sliced. It is edible and according to one mycologist is “worth eating if found in large enough quantities.”

The spore print is pink.


Similar Species

Habitat and Hosts

Deciduous and mixed woodlands

Hardwood trees, stumps, and logs




July through October


Distribution Map



4, 24, 26, 29, 30, 77.





  Kingdom Fungi (fungi)  
  Subkingdom Dikarya  
  Phylum Basidiomycota (club fungi)  
  Subphylum Agaricomycotina (jelly fungi, yeasts, and mushrooms)  
  Class Agaricomycetes (mushrooms, bracket fungi, puffballs, and allies)  
  Subclass Agaricomycetidae  
  Order Agaricales (common gilled mushrooms and allies)  
  Suborder Pluteineae  
  Family Pluteaceae  


Volvariella (rosegills)  

Subordinate Taxa


Silky Rosegill (Volvariella bombycina var. bombycina)

Silky Rosegill (Volvariella bombycina var. laviceps)

Silky Rosegill (Volvariella bombycina var. microspora)

Silky Rosegill (Volvariella bombycina var. palmicola)




Agaricus bombycina

Agaricus bombycinus

Agaricus denudatus

Pluteus bombycinus

Volvaria flaviceps

Volvariopsis bombycina


Common Names


Silky Rosegill

Silky Sheath

Silky Volvariella

Silver-silk Straw Mushroom

Tree Mushroom












On mushrooms, covered with fine hair-like fibers.



A term often used for saprotrophic fungi. Referring to fungi that obtain their nutrients from decayed organic matter.


Universal veil

An egg-like structure that envelopes all or most of a developing gill mushroom. Remnants of the universal veil sometimes visible on a mature mushroom are patchy warts on the cap, a ring on the stalk, and a volva at the base of the stalk.



Also called cup. A cup-like covering at the base of a mushroom stem, sometimes buried. In Amanita, Volvariella, and some other mushrooms, it is the remnants of the universal veil ruptured by the mushroom pushing through. In Phallales it is the remnants of the ruptured peridium.





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Honey Fae (Farah)


Silky sheath are uncommon in Minnesota, species of Rosegills.

    Silky Rosegill      








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Other Videos
  Identifying the Volvariella bombycina, Silky Rosegill
Wild Food in the UK Ltd

Jul 16, 2019

This is a lovely find when out spotting mushrooms, but is not to be collected due to its rarity. Identification by

  Volvariella bombycina
Pilz Kultur

Jul 25, 2013

Für mich einer der schönsten u. faszinierensten Pilze !

Gestern gefunden auf einer alten Eiche , insgesamt 12 Fruchtkörper :-) !

3 Exemplare wurden für Zuchtversuche mitgenommen.

Google Translate: For me one of the most beautiful and fascinating mushrooms!

Found yesterday on an old oak tree, a total of 12 fruiting bodies :-)!

3 copies were taken for breeding attempts.

  Volvariella Bombycina Shroom in Panmurefield Forest 5/8/17
Paul Morgan

Aug 6, 2017

At the Seven Arches

  Tree Volvariella (Volvariella bombycina)
Tony Henneberg

Jul 13, 2019

Tree Volvariella, discovered in an old oak tree on September 19, 2018. In 2019, a single mushroom grew and was harvested on July 1. Three mushrooms were harvested on July 13th. Perhaps there will be more. Northern Dutchess County, New York.




Visitor Sightings

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  Honey Fae (Farah)

Location: Hennepin County

Silky sheath are uncommon in Minnesota, species of Rosegills.

Silky Rosegill







Created: 8/8/2022

Last Updated:

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