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Family
Russulaceae
Accession Number
Genus
Russula
Species
graminea
Species Author
Ruots., Unger & Vauras
Date
20/10/2018
Morphological Description
Collector
Enoch Lee
Number
YLL20181020.8
Cap shape when mature
2 funnel
Cap shape in center
3 depressed
Cap shape from above
1 circular-even if wavy
color of top surface
12 greenish
Secondary color top surface
17 none - no stains or not applicable
Cap color with age
12 greenish
Cap stain color
17 none - no stains or not applicable
Cap width
65
Cap surface texture
2 smooth
Cap stickiness
1 dry
Cap has concentric zones of color
Yes
Cap stalk easily part
Yes
Cap hygrophanous
No
Cap flesh color
3 pale yellow or cream
Cap flesh stain color
17 none - no stains or not applicable
Flesh hardness
2 firm, fleshy
Flesh toughness
2 easy to break or tear, but not fragile
Flesh fracture
4 brittle or crumbly
Cap cross section
1 upturned
Cap margin surface
2 smooth
Cap edge
1 smooth
Stipe shape
3 equal
Stipe core
1 solid
Stipe position
1 central
Stipe flesh hardness
2 firm, fleshy
Stipe flesh toughness
2 easy to break or tear, but not fragile
Stipe flesh fracture
Stipe flesh color
1 white
Stipe flesh stain color
17 none - no stains or not applicable
Stipe primary color
1 white
Stipe secondary color
17 none - no stains or not applicable
Stipe stain color
17 none - no stains or not applicable
Stipe surface texture
8 fibrilose
Stipe width
17
Stipe length
50
Gill attachment
3 decurrent
Gill collarium
No
Gill sawtooth edge
No
Hymenium color when young
3 pale yellow or cream
Hymenium color when mature
3 pale yellow or cream
Hymenium stain color
Gills break from cap
No
Gills deliquescent
No
Gills mottled face
No
Gills secede from stalk
No
Gills waxy feel
No
Gills anastomosing
No
Gills forked
No
Ring type
5 none
Partial veil type
5 none
Ring location on stalk
5 none
Ring number
3 none
Ring color
17 none - no stains or not applicable
Volva type
6 none
Volva color
17 none - no stains or not applicable
Habit
1 solitary or scattered
Taste
3 mild/none
Smell
2 mild/none
Spore print color
3 pale yellow or cream
Latex color
17 none - no stains or not applicable
Latex stain color
17 none - no stains or not applicable
Reaction ammonia color
17 none - no stains or not applicable
Reaction ferrous sulphate color
17 none - no stains or not applicable
Reaction Melzer's color
13 blue
Reaction potassium
17 none - no stains or not applicable
Spore shape
3 elliptical
Spore ornamentation
Yes and warty
Spore length
11.25
Spore width
7.5
phylum
Basidiomycota
material collected
gilled mushroom
trama type
cap cuticle type
clamp connections
cystidia
Yes
morphology summary
Notes
Vauras 2013 "As a fairly rare species, growing in older
forests of Picea abies, R. graminea has been
classified as a Near Threatened (NT) species in
Finland (Bonsdorff et al. 2010)."
Date Created
Date Modified