Source: Wikipedia
| Bolbitius titubans | |
|---|---|
| |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Fungi |
| Division: | Basidiomycota |
| Class: | Agaricomycetes |
| Order: | Agaricales |
| Family: | Bolbitiaceae |
| Genus: | Bolbitius |
| Species: | B. titubans
|
| Binomial name | |
| Bolbitius titubans (Bull.) Fr.
| |
| Synonyms | |
Bolbitius titubans | |
|---|---|
 | Gills on hymenium |
 | Cap is ovate or flat |
 | Hymenium is adnate or free |
 | Stipe is bare |
 | Spore print is brown |
 | Ecology is saprotrophic |
 | Edibility is edible, but unpalatable |
Bolbitius titubans, also known as Bolbitius vitellinus, and commonly known as the sunny side up[1] is a widespread species of mushroom found in North America. It grows on grass and dung.
Description
[edit]The mushroom cap is 1.5–7 centimetres (1⁄2–3 in) across,[2] and grows from egg-shaped when young to broadly convex, finally ending up nearly flat.[3] The cap's color starts yellow or bright yellow, and fades to whitish or greyish with age.[4] The stem is 3–12 cm (1–4+1⁄2 in) tall and 2–6 millimetres (1⁄8–1⁄4 in) wide,[2] whitish-yellow with a fine mealy powdering, and very delicate.[5]
The fragile and soft gills are free from the stem or narrowly attached, and fade from whitish or pale yellowish to rusty cinnamon with age.[3] They produce a rusty-brown spore print.[6] The spores are brown, elliptical, and smooth.[2]
Similar species
[edit]Similar species include Bolbitius aleuriatus,[2] B. coprophilus, B. lacteus, and Conocybe apala.[6]
Habitat and distribution
[edit]The species grows on grass, woodchips, compost, and dung. It is ubiquitous in North America[6] and Europe.
Edibility
[edit]The mushroom's edibility is unknown.[2] While nonpoisonous,[7] it is too small to be worthwhile.[2]
References
[edit]- ^ Arora, David (1986). Mushrooms demystified: a comprehensive guide to the fleshy fungi (Second ed.). Berkeley: Ten Speed Press. pp. 474–475. ISBN 978-0-89815-169-5.
- ^ a b c d e f Davis, R. Michael; Sommer, Robert; Menge, John A. (2012). Field Guide to Mushrooms of Western North America. Berkeley: University of California Press. p. 248. ISBN 978-0-520-95360-4. OCLC 797915861.
- ^ a b Kuo, Michael (February 2012). "Bolbitius titubans". Retrieved October 31, 2013.
- ^ "California Fungi—Bolbitius titubans". Retrieved October 31, 2013.
- ^ "Rogers Mushrooms — Bolbitus vitellinus Mushroom". Archived from the original on December 5, 2008. Retrieved October 31, 2013.
- ^ a b c Audubon (2023). Mushrooms of North America. Knopf. p. 628. ISBN 978-0-593-31998-7.
- ^ Miller Jr., Orson K.; Miller, Hope H. (2006). North American Mushrooms: A Field Guide to Edible and Inedible Fungi. Guilford, CN: FalconGuide. p. 270. ISBN 978-0-7627-3109-1.
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