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  • Writer's pictureTom Holley

08 | Photographing Mushrooms: 04 - Snapping Bonnet // Mycena Vitilis

Continuing my Mushroom photography quest, today I found a Mycena Vitilis, also known as the Snapping Bonnet.


Cap: Conical becoming Campanulate, much like the Mycena Filopes (Iodine Bonnet)I photographed (see blog post 07). Can flatten with an umbo. Colourwise like much of the Bonnet family, can range from greyish brown to beige, toward a pale shade at margin. Can also appear Pruinose in immaturity (please see photos from my shoot below). This soon becomes shiny texture once dry & sticky when wet.


Spores: Ellipsoidal. Hyaline with amyloid (See photos).


Gills: Concolourous to White adnexed to almost free. Gills serrated; & in relative to other Bonnet caps, gills are rather spread. The gills in this particular instance have still not fully developed.


Stipe: Beige to translucent. Tenacious when wet. Cartilaginous-brittle when dry. Though these can be described as glabrous further down, they do have fibrils hairs on the photos I documented.



Fibrils can be evident at the base as they are here

Skirt: N/A


Flesh: Palient, Pallid &/or greyish. Concolourous to outer stipe however dependent to subject.


Surface: Smooth with marginal lines corresponding to the gills


Height/Size: 6-12cm (height) / 1.5-2mm (diameter) 0.5cm -1.8cm (Cap diameter)


Odour/Edible: Indistinct in odour/Non significant taste. Unclear whether toxic.


Habitat: Broadleaved deciduous woodlands. As with other Mycena, it grows attached to buried twigs/bark. Please see blog post 07 for a closer look at Mycena.


Distribution: Most often seen singly (like the one I documented), or two or three. Rarely seen numerously. Was seen around two Butter Cap/Rhodocollybia Butyracae.


Season: July - November


Confusion Species: Mycena Gilopas. Often larger & releases white latex when stipe is broken.


Etymology: Mycena belongs to the large genus of Saprotrophic family. Vitilis is plaited which is in reference to stem mobility/flexibility.


Other Notes: Although the Mycena Vitilis resembles many features of it's namesake family of mushrooms, this fungi sounds rather different in that when pulled lengthways from it's stem, makes a snapping sound - hence the common name Snapping Bonnet.


Pictures Taken: 24/12/2021

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