Comparing the deadly Galerina marginata to the psychoactive Gymnopilus luteofolius. Panaeolus foenisecii, commonly called the mower's mushroom, haymaker or brown hay mushroom, is a very common and widely distributed little brown mushroom often found on lawns.In 1963 Tyler and Smith found that this mushroom contains serotonin, 5-HTP and 5-hydroxyindoleacetic acid. . Four species of Panaeolus will be discussed, three of them temperate species, and one semi-tropical. They have a brownish-purple spore print and grown almost all year round (but fruit prolifically in the spring time). The Genus Panaeolus [ Basidiomycetes > Agaricales > Bolbitiaceae . The type species is Panaeolina foenisecii, a common lawn mushroom.Members of Panaeolina are broadly distributed throughout the world.. Panaeolina is a small genus of small mushrooms, containing only about four species. A mistake can be deadly. Pronunciation ... Panaeolus papilionaceus (= Panaeolus sphinctrinus = Panaeolus campanulatus = Panaeolus retirugis) Panaeolus fimicola Also note, the closest look-alikes on lawns are the Panaeolina foenisecci. Species of Panaeolus are not likely to excite most mushroom collectors, since they are almost without exception LBM's ("Little Brown Mushrooms"), and most require microscopic examination for accurate identification. They are a subgroup of Panaeolus which have dark brown spores. Panaeolina castaneifolia is a rare and widely distributed little brown mushroom which may contain the hallucinogen psilocybin.. INTRODUCTION This paper focuses on two aspects of the common gill fungus, Panaeolina foenisecii Maire: (1) biochemical, concerning its suspected psychoactive properties; and (2) ethnomycological, regarding several reports of accidental or deliberate consumption of the species. . In 1959, Hofmann et al. The Haymaker's Panaeolus, Panaeolus foenisecii, is probably one of the most common dark spored lawn-inhabiting mushrooms.It grows throughout the North American continent and is the only species of Panaeolus not to have a blackish spore deposit: its spores are a dark brown. In 1963 Tyler and Smith found that this mushroom contains serotonin, 5-HTP and … Panaeolus foenisecii, commonly called the mower's mushroom, haymaker or brown hay mushroom, is a very common and widely distributed little brown mushroom often found on lawns. See Poisonous mushroom. Psilocybin was demonstrated by many studies to be derived from tryptophan [59–61].The precise mechanism of psilocybin biosynthesis is debated by many authors. haymaker's toadstool [panaeolus panaeolina foenisecii] translation french, English - French dictionary, meaning, see also 'holidaymaker',hacker',hammer',hamper', example of use, definition, conjugation, Reverso dictionary by Michael Kuo. Panaeolina foenisecii () Maire - Brown Mottlegill. Some members of Panaeolina have been reported to contain the hallucinogen psilocybin, however these … Down to Business. It has dark brown, coarsely roughened spores which resemble those of Panaeolina foenisecii. Phylum: Basidiomycota - Class: Agaricomycetes - Order: Agaricales - Family: Insertae sedis (Not yet assigned) Distribution - Taxonomic History - Etymology - Toxicity - Identification - Reference Sources. Panaeolus Toxicology A mushroom with significant quantities of psilocybin, a hallucinogen Clinical 20–60 mushrooms may be ingested to obtain the desired hallucinogenic effect; small amounts of Panaeolus spp evoke euphoria, dizziness, weakness; larger amounts alter temporal and spatial perception and induce hallucinations Management Supportive.