Wednesday, October 5, 2011

Specimen #9

Gilled Mushrooms - Basidiomycetes

Figure 1: Amanita muscaria showing fragments of volva a base of stalk.

Figure 2: Amanita muscaria cap colouring; orange fading to light yellow.
Figure 3: Amanita muscaria in less mature stage than above picture (cap has not flattened).



Name: Amanita muscaria
Common Name: Fly Agaric
Family: Amanitaceae
Collection Date:  29th Sept. 2011
Habitat: Fungi found beneath a cluster of pine trees. 
Location: Hiram College Campus

Figure 4: Up close picture of less mature Amanita muscaria's cap.

Description: Medium sized, about 4 1/2 inches tall. Middle of cap orange fading to light yellow to edge of cap. Stalk white with volva present. 
Collector: Olivia Benjamin



Key used: Orson K. Miller Jr. 1977. Mushrooms of North America. E.P. Dutton New York.
Keying Steps:
Introduction Key pg. 23
1a. Gills free from stalk...2
2a. Volva present or pieces of volva in duff around stalk base, warts present on cap, ring present or absent...pg. 24 Amanitaceae
Key to Amanitaceae. 1b. Volva in fragments over bulb...7
7b. Cap with a definite pigment...9
9b. Cap light yellow to yello, orange, green or red...13
13b. Cap yellow, orange to red...15
15a. Cap large, warts white, volva white...16
16b. Stalk base lacking the concentric rings---> A. muscaria

Ecology: This fungus is mychorrizal and usually found under pine trees.

Links
http://www.mykoweb.com/CAF/species/Amanita_muscaria.html
http://en.wikipedia.org/wiki/Amanita_muscaria

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