White fibercap

Inocybe geophylla

A species of Fiber caps. Also known as White fibrecap, Common white inocybe.

The white fibercap mushroom is prevalent throughout Europe and North America, displaying a remarkable northern reach as one of the few fungal species thriving in tundra environments. A notable variant, Inocybe geophylla var. lilacina, is particularly prized by collectors for its striking lilac-colored cap, a rare hue among mushrooms. Despite its attractive appearance, this species is poisonous.

In This Article
Attributes Classification Toxicity Similar Mushrooms

Attributes of White fibercap

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Cap Diameter
2 - 4 cm
Height
2 - 7 cm
Cap
Cap 1 - 4 cm across; conical to umbonate; pale lilac, ocher, tan; surface smooth, finely fibrous
Cap Shape
Bell-shaped, Flat, Central Bump
Cap Surfaces
Smooth, Fibrillose-scaly, Visible lines or stripes
Gills
Attached; close; pale lilac to grayish brown
Gill Attachment
Notched
Stem
Stem 1 - 6 cm long, 7 - 15 mm thick; whitish; fairly firm; surface smooth
Stem Shapes
Cylindrical
Stem Surfaces
Smooth
Flesh
Whitish to lilac
Ring
Ringless
Spore Print Color
Brown
Odor
Spermatic, earthy, or not distinctive.
Body Color
White
Flesh Bruises
The flesh or milk does not discolor when bruised or cut.
Growth Form
Solitary, Scattered, Gregarious
Nutrient Gathering
Mycorrhizal
Substrate
On soil
You can find White fibercap by these plants
Oaks, Pines, Spruces, Firs
Occurence Habitats
Deciduous Woodland, Coniferous Woodland, Mixed Woodland
Species Status
Widely distributed
Endangered Species
No

Scientific Classification of White fibercap

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Phylum
Club fungi
Class
Mushroom-forming fungi
Order
Gilled fungi
Family
Inocybaceae
Genus
Fiber caps
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Toxicity and Edibility of White fibercap

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Is White fibercap Toxic?

White fibercap is commonly encountered across diverse environments throughout the year. Consuming it poses significant health risks, such as neurotoxicity, impaired consciousness, miosis, and motor paralysis. In critical instances, it may trigger gastrointestinal distress, emesis, liquid stools, and even severe respiratory difficulties. Differentiating it can be difficult because of its structural resemblance to safe species.

Toxins type
Muscarine
Type of poisoning
Neurotoxic
Toxic Severity
High toxicity
Incubation Period
0.25-4 hours
Poisoning Symptoms
Nerve toxin, consciousness clouding, pupil shrinkage, paralysis, perspiration, blood pressure drop, digestion issues, vomiting, diarrhea, severe asthma in extreme cases.

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