Figure 1: Crucibulum laeve at Hiram College. Mature on left, immature on right.
Name: Crucibulum laeve; Common Bird's Nest Fungus
Family: Nidulariaceae
Collection Date: August 29, 2011
Habitat: Mulch under tree
Location: Hiram College
Description: Small cups containing small peridoles. Adhered to mulch.
Collector: Taylor Summerfield
Key used: Arora, David, 1986. Mushrooms Demystified, 2nd Edition, Ten Speed Press, New York, New York.
Key Steps: Key to the Major Groups of Fleshy Fungi
1. Spores produced on mother cells called basidia; fruiting body variously shaped (see pp.52-54)
Collection Date: August 29, 2011
Habitat: Mulch under tree
Location: Hiram College
Description: Small cups containing small peridoles. Adhered to mulch.
Collector: Taylor Summerfield
Key used: Arora, David, 1986. Mushrooms Demystified, 2nd Edition, Ten Speed Press, New York, New York.
Key Steps: Key to the Major Groups of Fleshy Fungi
1. Spores produced on mother cells called basidia; fruiting body variously shaped (see pp.52-54)
...p.54; fruiting body minute (often less than 1cm broad), shaped like a miniature bird's nest with one or more small "eggs" inside (but top of "nest" often covered by a layer of tissue when young...Bird's Nest Fungi, p. 778
Key to Nidulariales, p. 779:
1. Fruiting body cylindrical to mug- or cup-shaped when mature, containing more than one egg (unless all but one have been expelled)...2
2. Fruiting body typically with a "lid" when very young, the nest usually well formed and persistent; eggs may or may not be imbedded in a mucilage...4
4. Eggs white to gray, brown or black, often (but not always) attached to the side of the nest by a minute cord or short stalk, not imbedded in a mucilage; sides of nest vertical to tapered...6
6. Interior of nest smooth or at least not striate or grooved...7
7. Eggs typically white to buff; interior of nest not black...Crucibulum laeve
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