Rhizomorphs extending from some fruiting bodies.
Cap disk broadly umbonate.
Fibrillous scales/hairs on cap golden-yellow in color when viewed from the side, light redish-brown from the top.
Some annular cells greater than 8um in diameter.
Only one basidia emmerges from each basal clamp.
Further discriptions below.
Collector
Jeff Nurcombe
Number
JN1
Cap shape when mature
3 convex to plane
Cap shape in center
1 raised
Cap shape from above
1 circular-even if wavy
color of top surface
4 yellow/gold
Secondary color top surface
10 rust brown (reddish brown)
Cap color with age
4 yellow/gold
Cap stain color
8 tan - light brown
Cap width
25-50
Cap surface texture
1 scales of any kind
Cap stickiness
1 dry
Cap has concentric zones of color
No
Cap stalk easily part
No
Cap hygrophanous
No
Cap flesh color
1 white
Cap flesh stain color
8 tan - light brown
Flesh hardness
2 firm, fleshy
Flesh toughness
2 easy to break or tear, but not fragile
Flesh fracture
2 irregular tear
Cap cross section
3 incurved
Cap margin surface
2 smooth
Cap edge
1 smooth
Stipe shape
1 bulbous
Stipe core
3 pithy
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
3 fibrous-tears easier in one direction
Stipe flesh color
1 white
Stipe flesh stain color
8 tan - light brown
Stipe primary color
4 yellow/gold
Stipe secondary color
3 pale yellow or cream
Stipe stain color
8 tan - light brown
Stipe surface texture
10 smooth
Stipe width
6-10
Stipe length
55-80
Gill attachment
6 notched
Gill collarium
Gill sawtooth edge
No
Hymenium color when young
3 pale yellow or cream
Hymenium color when mature
4 yellow/gold
Hymenium stain color
8 tan - light brown
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
Yes
Ring type
4 hairy
Partial veil type
1 cobwebby
Ring location on stalk
1 upper stalk
Ring number
1 single
Ring color
4 yellow/gold
Volva type
6 none
Volva color
17 none - no stains or not applicable
Habit
3 compact clumps
Taste
2 bitter
Smell
2 mild/none
Spore print color
1 white
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
17 none - no stains or not applicable
Reaction potassium
17 none - no stains or not applicable
Spore shape
3 elliptical
Spore ornamentation
1 smooth
Spore length
7.5-8.75
Spore width
3.75-5.5
phylum
Basidiomycota
material collected
gilled mushroom
trama type
cap cuticle type
paralell tissue
clamp connections
some basidia basally clamped
cystidia
morphology summary
Notes
From analysis of morphology this mushroom appeared to be Armillaria sinapina. Genetic sequence data conflicts with this identification. The array of taxonomic keys within Armillaria species, particularly those of western North America, is limited. Althoug