Helvella macropus explained

Helvella macropus is a species of fungus in the family Helvellaceae of the order Pezizales. Its ascocarps are found in summer and autumn in woodland, usually (though not exclusively) associated with broad-leaved trees.

Description

The slender stem, up to 4mm thick and 5cm (02inches) long, supports a fuzz-covered and cup-shaped cap, usually compressed in one direction. The whole fruiting body is pale grey or brown, with the smooth inner (hymenial) cup surface usually darker.^{[1] [2]} The stem may be bulbous at the base.

Similar species

Similar species include H. corium, H. cupuliformis, H. fibrosa, H. pezizoides, H. queleti, and Donadinia nigrella.^[3]

Distribution

This species has a wide distribution in the Northern Hemisphere, having been recorded throughout North America, as well as in Central America, Europe, China,^[4] and Japan.^[5] It can be found on the ground or on rotting wood along with moss.

Toxicity

The species is inedible.^[6]

External links

• Index Fungorum
• GBIF

Notes and References

1. Book: Jordan, Michael . Michael Jordan (mycologist) . The Encyclopedia of Fungi of Britain and Europe . . 2004 . 54 . 978-0-7112-2379-0.
2. Book: Buczacki, Stefan . Stefan Buczacki . Collins Guide to Mushrooms and Toadstools of Britain and Europe . . 1992 . 217 . 0-00-219978-5.
3. Book: [[Audubon]] . Mushrooms of North America . . 2023 . 978-0-593-31998-7 . 29.
4. Zhuang WY. . 2004. Preliminary survey of the Helvellaceae from Xinjiang, China . Mycotaxon . 90 . 1 . 35 - 42.
5. Nagao H.. 2002 . Fungal flora in Chiba Pref., central Japan (III) Ascomycetes: Plectomycetes and Discomycetes . Journal of the Natural History Museum and Institute Chiba . 5 . 111 - 32. ja.
6. Book: Phillips, Roger . Mushrooms and Other Fungi of North America . 2010 . Firefly Books . Buffalo, NY . 978-1-55407-651-2 . 367.