Leucoagaricus croceus

Leucoagaricus croceus
Scientific classification
Kingdom:	Fungi
Division:	Basidiomycota
Class:	Agaricomycetes
Order:	Agaricales
Family:	Agaricaceae
Genus:	Leucoagaricus
Species:	L. croceus
Binomial name
Leucoagaricus croceus S.M. Tang & K.D. Hyde (2022)

Leucoagaricus croceus Mycological characteristics
	Gills on hymenium
	Cap is convex or flat
	Hymenium is free
	Stipe has a ring
	Spore print is white
	Ecology is saprotrophic
	Edibility is unknown

Leucoagaricus croceus is a species of mushroom-producing fungus in the family Agaricaceae. ^{[1] [2]}

Taxonomy

It was described in 2022 by the mycologists S.M. Tang and Kevin D. Hyde who classified it as Leucoagaricus croceus. ^[3]

Description

Leucoagaricus croceus is a small dapperling mushroom with a reddish orange cap and white stem and flesh.

Cap: 3-6cm wide, starting bulbous before becoming subumbonate and expanding to plano-convex with an obtuse umbo. The surface is reddish-orange when immature but fades towards the cap edges as it expands until it has a reddish-orange centre with a pale, pastel red colour spreading across the surface to the white margins. It has floccose to pulverent scales across the immature cap but becomes smooth with age. The cap may split to reveal the white, unchanging flesh within. Gills: Free, crowded and white. Stem: 3-5cm long and 3-5mm thick tapering upwards from the bulbous 8-12mm thick base. The surface is cream to white with unchanging white flesh inside. The membranous stem ring is white and located towards or above the middle of the stem (median to superior). Spores: (3.5) 4.1–7.2 (7.9) x (2.4) 2.6–4.4 (4.6) μm. Ovoid to ellipsoidal, smooth with a thin wall. Hyaline. Basidia: 15-20 x 9-10 μm. Clavate, 4 spored. ^[3]

Etymology

The specific epithet croceus is named in reference to the reddish orange cap colour. ^{[4] [3]}

Habitat and distribution

The species is known from Thailand and China where it grows on soil. ^[5]

References

1. "Species fungorum - Leucoagaricus croceus S.M. Tang & K.D. Hyde". www.speciesfungorum.org. Retrieved 2022-07-19.
2. "Mycobank Database - Leucoagaricus croceus".
3. "Mycosphere notes 345–386" (PDF). Mycosphere. 13: 530–535.
4. Harrison, Lorraine (2012). Latin for Gardeners (PDF). University of Chicago Press. ISBN   978-0-226-00919-3. Archived from the original (PDF) on 2022-11-21. Retrieved 2023-03-29.
5. "txid2959367 - Nucleotide - NCBI". www.ncbi.nlm.nih.gov. Retrieved 2023-03-28.