Panaeolus olivaceus

Panaeolus olivaceus F.H.Müller (1945)


synonyms:
Panaeolus castaneifolius (Murrill) A.H. Sm.
Panaeolina castaneifolia (Murrill) Bon;
Panaeolina castaneifolia (Murrill) Ew. Gerhardt

Macroscopic feat.:
  • Cap/Pileus: 1- 3(4) cm across, Distinctly campanulate then subhemispheric to convex, becoming broadly conic, not fully expanding, incurved margin when young, dark smoky-grayish to dark cinnamon, drying to a straw-yellow or slightly olive-gray color, remaining more reddish-brown towards the center, hygrophanous, smooth, sometimes striated or finely corrugated, flesh thick and firm.
  • Gills/Lamellae: Adnate to adnexed, close, thin, pallid, mottled, slightly olive-greenish, becoming dark purplish gray-black in age, edge whitish.
  • Stem/Stipe: 4- 6(7.5) cm by 3- 4(6) mm thick, equal to slightly tapering at the base, hollow, brittle, pruinose and slightly striate, no veil remnants. Grayish to ochraceous, tan or purple at the base.

Microscopic feat.:
  • Basidio/Spores: Black, slightly roughened, 12 - 15(17) x 7-8,5 µm, elliptic, rugose or verrucose.
  • Basidia: 4-spored. 24-28 x 10-12 µm.
  • Cheilocystidia: (20)24 - 30(38) x (5)7-10 µm, abundant, neck often flexuous and apices usually obtuse, thin walled and hyaline.
  • Pleurocistidia: Rare or absent, not projecting beyond plane of basidia.

Habitat: Grows scattered to gregariously

Distribution: Well kept grass, in lawns, parks and around well manicured buildings. Some believe that there is a correlation between this species and dog stool, but there is no hard evidence to back that up. It has been collected in the U.S. states of Washington, Oregon, Georgia, Canada's Quebec and in the United Kingdom

Season: Late summer through December.

Dosage:
  • Lvl. 1 - 1.2g
  • Lvl. 2 - 2.1g
  • Lvl. 3 - 3.8g
  • Lvl. 4 - 5.8g
  • Lvl. 5 - 8.0g


Comment: Latently psilocybin, according to Ola'h (1969), and when so, weak. Some but not all collections of this species contain psilocybin. Distinguished from Panaeolus foenisecii by the color of the mature gills and spore deposit, which are very dark purplish gray-black.

Notes: It is easily mistaken for Panaeolus cinctulus and can be distinguished from that species by its more campanulate cap shape when young and slightly roughened spores.

source - www.shroomery.org

Pictures at www.mushroomobserver.org

[ Back to lisT ]    [ List of known specieS ]    [ Species albuM ]    [ Suggest species lacK ]
TutorialS ]   [ ForuM ]   [ GalerY (pl) ]   [ TripograM ]   [ PsilosOpediuM ]  

© psilosophy 2001-2024

Panaeolus olivaceus_0
link: Panaeolus olivaceus - foto 1


Panaeolus olivaceus_1
link: Panaeolus olivaceus - foto 2


Panaeolus olivaceus_2
link: Panaeolus olivaceus - foto 3


Panaeolus olivaceus_3
link: Panaeolus olivaceus - foto 4


Panaeolus olivaceus_4
link: Panaeolus olivaceus - foto 5


Panaeolus olivaceus_5
link: Panaeolus olivaceus - foto 6


Panaeolus olivaceus_6
link: Panaeolus olivaceus - foto 7


Panaeolus olivaceus_7
link: Panaeolus olivaceus - foto 8


Panaeolus olivaceus_8
link: Panaeolus olivaceus - foto 9


Panaeolus olivaceus_9
link: Panaeolus olivaceus - foto 10


Panaeolus olivaceus_10
link: Panaeolus olivaceus - foto 11


Panaeolus olivaceus_11
link: Panaeolus olivaceus - foto 12


Panaeolus olivaceus_12
link: Panaeolus olivaceus - foto 13


Panaeolus olivaceus_13
link: Panaeolus olivaceus - foto 14


Panaeolus olivaceus_14
link: Panaeolus olivaceus - foto 15


Panaeolus olivaceus_15
link: Panaeolus olivaceus - foto 16


Panaeolus olivaceus_16
link: Panaeolus olivaceus - foto 17


Panaeolus olivaceus_17
link: Panaeolus olivaceus - foto 18


Panaeolus olivaceus_18
link: Panaeolus olivaceus - foto 19


Panaeolus olivaceus_19
link: Panaeolus olivaceus - foto 20


Panaeolus olivaceus_20
link: Panaeolus olivaceus - foto 21


Panaeolus olivaceus_21
link: Panaeolus olivaceus - foto 22


Panaeolus olivaceus_22
link: Panaeolus olivaceus - foto 23


Panaeolus olivaceus_23
link: Panaeolus olivaceus - foto 24


Panaeolus olivaceus_24
link: Panaeolus olivaceus - foto 25


Panaeolus olivaceus_25
link: Panaeolus olivaceus - foto 26


Panaeolus olivaceus_26
link: Panaeolus olivaceus - foto 27


Panaeolus olivaceus_27
link: Panaeolus olivaceus - foto 28


Panaeolus olivaceus_28
link: Panaeolus olivaceus - foto 29


Panaeolus olivaceus_29
link: Panaeolus olivaceus - foto 30


Panaeolus olivaceus_30
link: Panaeolus olivaceus - foto 31


Panaeolus olivaceus_31
link: Panaeolus olivaceus - foto 32


Panaeolus olivaceus_32
link: Panaeolus olivaceus - foto 33


Panaeolus olivaceus_33
link: Panaeolus olivaceus - foto 34


Panaeolus olivaceus_34
link: Panaeolus olivaceus - foto 35


Panaeolus olivaceus_35
link: Panaeolus olivaceus - foto 36


Panaeolus olivaceus_36
link: Panaeolus olivaceus - foto 37


Panaeolus olivaceus_37
link: Panaeolus olivaceus - foto 38


Panaeolus olivaceus_38
link: Panaeolus olivaceus - foto 39


Panaeolus olivaceus_39
link: Panaeolus olivaceus - foto 40


Panaeolus olivaceus_40
link: Panaeolus olivaceus - foto 41


Panaeolus olivaceus_41
link: Panaeolus olivaceus - foto 42


Panaeolus olivaceus_42
link: Panaeolus olivaceus - foto 43


Panaeolus olivaceus_43
link: Panaeolus olivaceus - foto 44


Panaeolus olivaceus_44
link: Panaeolus olivaceus - foto 45


Panaeolus olivaceus_45
link: Panaeolus olivaceus - foto 46


Panaeolus olivaceus_46
link: Panaeolus olivaceus - foto 47


Panaeolus olivaceus_47
link: Panaeolus olivaceus - foto 48


Panaeolus olivaceus_48
link: Panaeolus olivaceus - foto 49


Panaeolus olivaceus_49
link: Panaeolus olivaceus - foto 50


Panaeolus olivaceus_50
link: Panaeolus olivaceus - foto 51


Panaeolus olivaceus_51
link: Panaeolus olivaceus - foto 52


Panaeolus olivaceus_52
link: Panaeolus olivaceus - foto 53


Panaeolus olivaceus_53
link: Panaeolus olivaceus - foto 54


Panaeolus olivaceus_54
link: Panaeolus olivaceus - foto 55


Panaeolus olivaceus_55
link: Panaeolus olivaceus - foto 56


Panaeolus olivaceus_56
link: Panaeolus olivaceus - foto 57


Panaeolus olivaceus_57
link: Panaeolus olivaceus - foto 58


Panaeolus olivaceus_58
link: Panaeolus olivaceus - foto 59


Panaeolus olivaceus_59
link: Panaeolus olivaceus - foto 60


Panaeolus olivaceus_60
link: Panaeolus olivaceus - foto 61



TutorialS ]   [ ForuM ]   [ GalerY (pl) ]   [ TripograM ]   [ PsilosOpediuM ]  

© psilosophy 2001-2024