Species details
Deceiving knight
Tricholoma sejunctum
Extra caution required
Photo: This image was created by user Jocelyn Gwynn (joceyg) at Mushroom Observer , a source for mycological images. You can contact this user here . · CC BY-SA 3.0 · Photo source · License
Description
A yellow-olive Tricholoma with a radially fibrillose cap and white stem.
Identification features
Gills are white to yellowish; taste and smell may be mealy or bitter, and identification is difficult.
Identification checklist
Check the entire fruitbody for identification. A yellow-olive Tricholoma with a radially fibrillose cap and white stem. Gills are white to yellowish; taste and smell may be mealy or bitter, and identification is difficult. Typical habitat: Deciduous and coniferous woodland, often with oak, beech or conifers.
Detailed features
- Cap
- 4–10 cm, convex to expanded, yellow-green, radially ingrained-fibrillose, often brownish at the centre; sticky when wet.
- Hymenophore
- Gills white, sometimes yellowish toward the cap margin, broad and relatively distant, notched at the stem.
- Stem
- 5–8 × 1–2.5 cm, white to faint yellow-green, cylindrical or spindle-shaped, smooth and solid.
- Flesh
- White and firm; taste may be bitter.
- Smell
- Mealy.
- Spore print
- White.
Size
- Cap diameter
- 4–10 cm
- Stem height
- 5–8 cm
- Stem diameter
- 1–2,5 cm
Habitat
Deciduous and coniferous woodland, often with oak, beech or conifers.
Fruiting period
July, August, September, October, November
Ecology
- Trophic mode
- Mycorrhizal
- Substrate
- Forest soil
- Notes
- A mycorrhizal knight of mixed woodland, occurring under conifers and broadleaved trees.
How to separate similar species
Compare especially with these similar species: Tricholoma equestre, Tricholoma saponaceum. Check the combination of cap shape and colour, spore-bearing surface, stem, flesh changes and habitat. A single feature or photograph is not enough; if the key characters do not match the description, do not treat the identification as confirmed.
Similar species
- Yellow knight (Tricholoma equestre) DANGEROUS
Man on horseback is usually more evenly yellow to yellow-green and has distinctly yellower gills.
- Soapy knight (Tricholoma saponaceum)
Soap knight is highly variable in colour but is often revealed by its characteristic soap smell.
Interesting facts
Did you know? The combination of a greenish-yellow cap with almost white gills and stem is characteristic.