Name: Panaeolus semiovatus (Sowerby: Fr.) S. Lundell var. semiovatus
Most Confident Observations:
Copyright © 2009 Jason Hollinger (jason)
Copyright © 2020 B_Ross
Version: 1


First person to use this name on MO: Jason Hollinger

Nomenclature:

Rank: Variety

Status: Accepted

Name: Panaeolus semiovatus var. semiovatus

ICN Identifier: missing

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Author: (Sowerby: Fr.) S. Lundell

Citation:

Deprecated Synonyms: Anellaria semiovata (Sowbery: Fries) Pearson & Dennis

Classification:

Domain: Eukarya

Kingdom: Fungi

Phylum: Basidiomycota

Class: Agaricomycetes

Order: Agaricales

Genus: Panaeolus

Species: Panaeolus semiovatus

Lifeform:
Brief Description: [See More | Edit]

Translated from Gerhardt, E. (1996). Taxonomische Revision der Gattungen Panaeolus und Panaeolina (Fungi, Agaricales, Coprinaceae). Bibliotheca Botanica 147: 1-149.
Panaeolus semiovatus (Sowerby: Fr.) S.Lundell var. semiovatus in Lundell 8c Nannfeldt, Fungi exsiccati Suecici Upsaliensis, Fase. 11-12, p. 14 (No. 537) (1938).

PILEUS
- 3-8 cm wide
- Typically semi-ovoid shaped and later campanulate
- Sticky-greasy, dry with soft, silky, and smooth surface
- completely bald or wrinkled until moistened
- Color pure white to ivory to pale gray-whitish or pale brownish flesh tones
- Not hygrophanous
LAMELLAE
- Pale gray to black, pied, mottled
- Attached ascending
- With gill edge lighter/whitish
STIPE
- 3-12 mm thick, fairly stable
- At first fleshy, then narrow hollow
- Shorter when deeply rooted in substrate
- Upper third with gray whitish ring
MICROSCOPIC FEATURES
BASIDIA
- 30-37 microns long
- Basidia 4-spored
PILEIPELLIS
- Epicutis cells rounded, colorless
- Cells of various sizes, diameter 15-25 microns.
SPORES
- 18-24 × 10.5-13 × 9.5-11.5 microns
- Smooth, opaque or slightly transparent
- Slightly flattened germ pore in side view, often (but not always) oblique.
SULPHIDIA
- 40-55 microns long
- Club-or spindle-shaped
CHEILOCYSTIDIA
- 30-45 microns long
- Bottle-shaped, sometimes forked finger-like
- Colorless

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