Basidio - Agaricus

Question 1

Name the 6 species in section Arvense which occur in the PNW.

Answer 1

Common:

• arvensis
• silvicola
• augustus

Uncommon:
-albolutescens (moronii nom.prov.)

Rare:

• nivescens
• crocodilinus

Question 2

Name the 5 sections of PNW agaricus, and the two species which do not currently fit into this model.

Answer 2

• arvense
• minores
• xanthodermatei
• hortense / duploannulatae
• sanguinoletti

Misfits: A campestris + A subrutilescens

Question 3

Name the 5 species in section Minores which occur in the PNW.

Answer 3

Common:

• semolus
• diminutivus
• comtulus
• micromegathus

Uncommon:
-purpurellus

Question 4

Name the 4 species in section Xanthodermatei which occur in the PNW.

Answer 4

Common:

• moelleri (deardorffensis nom. prov.)
• hondensis

Rare:

• helodes n.p
• xanthoderma

Question 5

Name the 3 species in section Sanguinoletti which occur in the PNW.

Answer 5

Uncommon:

• haemorrhoidarius
• silvaticus

Rare:
-albosanguineus

Question 6

Name the 3 species in section Hortense / Duploannulatae which occur in the PNW.

Answer 6

Uncommon:

• bitorquis
• bisporus

Rare:
-bernardii

Question 7

Name the distinguishing features which place a species in section Arvense.

Answer 7

Size/Stature:
Moderate

Staining:
Yellow

Odor:
Almond

Question 8

Name the distinguishing features which place a species in section Minores.

Answer 8

Size/Stature:
Small

Staining:
Yellow

Odor:
Almond

Question 9

Name the distinguishing features which place a species in section Xanthodermatei.

Answer 9

Size/Stature:
Moderate

Staining:
Yellow

Odor:
Creosote / Phenol

Question 10

Name the distinguishing features which place a species in section Hortense / Duploannulatae.

Answer 10

Size/Stature:
Moderate

Staining:
Red

Veil:
Sheathing (primary distinguisher)

Odor:
No odor in common

Question 11

Name the distinguishing features which place a species in section Sanguinoletti.

Answer 11

Size/Stature:
Moderate

Staining:
Red (Very strong staining - primary distinguisher)

Odor:
No odor in common

Question 12

If given these features, what Section does the specimen belong in?

Size/Stature:
Moderate

Staining:
Red (Very strong staining)

Odor:
No distinctive odor

Answer 12

Sanguinoletti

Staining: Very strong red

Question 13

If given these features, what Section does the specimen belong in?

Size/Stature:
Moderate

Staining:
Red

Veil:
Sheathing

Odor:
No distinctive odor

Answer 13

Hortense / Duploannulatae

Veil: Sheathing

Question 14

If given these features, what Section does the specimen belong in? What is the primary distinguisher?

Size/Stature:
Moderate

Staining:
Yellow

Odor:
Creosote / Phenol

Answer 14

Xanthodermatei

Odor: Creosote / Phenol

Question 15

If given these features, what Section does the specimen belong in? What is the primary distinguisher?

Size/Stature:
Small

Staining:
Yellow

Odor:
Almond

Answer 15

Minores.
Size: Small
Odor: Almond

Question 16

If given these features, what Section does the specimen belong in? What is the primary distinguisher?

Size/Stature:
Moderate

Staining:
Yellow

Odor:
Almond

Answer 16

Arvense

Odor: Almond

Question 17

Identify this species:
Size: Up to 20cm
Color: White. 
Stain: Yellow
Odor: Almond
Habitat: Grass
Thick veil.
Common

Answer 17

arvensis

Question 18

Identify this species:
Size: Up to 40cm
Color: White. 
Stain: Yellow
Odor: Almond
Habitat: Grass
Thick veil.
Cap not severely cracked.
RARE

Answer 18

nivescens / osecanus

Question 19

Identify this species:
Size: Up to 35cm
Color: White. 
Stain: Yellow
Odor: Almond
Habitat: Grass
Thick veil.
Cap deeply cracked
RARE

Answer 19

crocodilinus

Question 20

Identify this species:
Size: Up to 10cm, slender
Color: White. 
Stain: Yellow
Odor: Almond
Habitat: Forests
Common

Answer 20

silvicola

Question 21

Identify this species:
Size: Up to 25cm
Color: yellow / brown, scaly
Stain: Yellow
Odor: Almond
Habitat: Disturbed areas, often forests
Common

Answer 21

augustus

Question 22

Identify this species:
Size: Up to 15cm, squat
Color: whitish
Stain: More yellow
Odor: Almond (strong)
Habitat: Forests
Uncommon

Answer 22

albolutescens

Question 23

Identify this species:
Size: Up to 7 cm
Color: whitish
Stain: Yellow / Orange
Odor: Almond
Habitat: Forests
Common

Answer 23

semotus

Question 24

Identify this species:
Size: Less than 5cm
Color: Purple
Stain: Yellow / Orange
Odor: Almond
Habitat: Forests
Uncommon

Answer 24

purpurellus

Question 25

``` Identify this species: Size: Less than 5cm Color: Whitish, sometimes purple tinged Stain: Yellow / Orange Odor: Almond Habitat: Forests Common ```

Answer 25

diminutivus

Question 26

``` Identify this species: Size: Less than 5cm Color: Whitish Stain: Yellow / Orange Odor: Almond Habitat: Grass Bald Cap Common ```

Answer 26

comtulus

Question 27

``` Identify this species: Size: Less than 5cm Color: Whitish Stain: Yellow / Orange Odor: Almond Habitat: Grass Hairy Cap Common ```

Answer 27

Micromegathus

Question 28

``` Identify this species: Size: ~ 10cm Color: White Stain: None Odor: None Habitat: Grass Weak Ring Tapered Stem Overhanging Margin Common ```

Answer 28

campestris

Question 29

``` Identify this species: Size: Up to 25cm Color: Silver-Grey Stain: Yellow - primarily in base of stipe Odor: Creosote / Phenol Habitat: Cosmopolitan Scaly Cap Smooth Stem Very common ```

Answer 29

moelleri / deardorffensis nom. plum.

Question 30

``` Identify this species: Size: Up to 15cm Color: Lilac-Brown Stain: None Odor: None Habitat: Forests Shaggy Stem Cap Green in KOH Uncommon ```

Answer 30

subrutilescens

Question 31

``` Identify this species: Size: Up to 15cm Color: Whitish or Red-brown and scaly Stain: Yellow - primarily in base of stipe Odor: Creosote / Phenol Habitat: Cosmopolitan Very thick ring Common ```

Answer 31

hondensis

Question 32

``` Identify this species: Size: ~5-20cm Color: White Stain: Little red Odor: Indistinct Habitat: Hard-packed, disturbed soil Thick sheathing veil Uncommon ```

Answer 32

bitorquis

Question 33

``` Identify this species: Size: ~5-15cm Color: White or brownish Stain: Little red Odor: Indistinct Habitat: Compost or gardens Uncommon ```

Answer 33

bisporus

Question 34

``` Identify this species: Size: ~5-15cm Color: White Stain: Little red Odor: Briny Habitat: Sand Thick sheathing veil RARE ```

Answer 34

bernardii

Question 35

``` Identify this species: Size: ~5-10cm Color: White Stain: Strong red everywhere Odor: Indistinct Habitat: Forests RARE ```

Answer 35

albosanguineus

Question 36

``` Identify this species: Size: ~2.5-10cm Color: Brown Stain: Strong red everywhere Odor: Indistinct Habitat: Forests Uncommon ```

Answer 36

haemarrhoidarius

Question 37

``` Identify this species: Size: ~5-10cm Color: Brown Stain: Strong red - perhaps in cap only Odor: Indistinct Habitat: Forests Uncommon ```

Answer 37

silvaticus

Question 38

Identify this species: Size: ~15cm Color: White and smooth, possibly grey and scaly Stain: VERY bright yellow, esp in stem base Odor: Pheno / Creosote Habitat: Forests RARE

Answer 38

xanthodermata