Talk about my experiences as a mushroom hunter. Concentrates on an old favourite, fly agaric, and a strange new visitor to the Netherlands: the Jack-O'-Lantern mushroom. Connections to Data Science, Machine Learning, Big Data and AI. Also environmental issues.
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Ā
Mushrooms I have known (v2)
1. Mushrooms I have
known
Richard D. Gill
Mathematical Institute, Leiden University
http://www.math.leidenuniv.nl/~gill
This version: March 21, 2019
Dedicated to Rosa and Rianne
2. Warnings
ā¢ All mushrooms are edible ā but some, only once
ā¢ There are old mushroom hunters, and bold mushroom
hunters ā¦ but there are no old bold mushroom hunters
3. Fungi
ā¢ Closer to animals than plants
ā¢ The thing you see above ground (that you call a
āmushroomā) is just a temporary reproductive organ
ā¢ See Wikipedia (next few slides)
DeĀ grote stinkzwamĀ (Phallus impudicus) is eenĀ paddenstoelĀ uit de familieĀ Phallaceae
Phallus impudicus, known colloquially as theĀ common stinkhorn, is a widespreadĀ fungusĀ recognizable for its foul odor and itsĀ phallicĀ shape when mature, the
latter feature giving rise to several names in 17th-century England.
4.
5. Wikipedia: āfungusā
AĀ fungusĀ (plural:Ā fungi[3]Ā orĀ funguses[4]) is any member of the group
ofĀ eukaryoticĀ organisms that includes microorganisms such asĀ yeastsĀ andĀ moulds, as
well as the more familiarĀ mushrooms. These organisms are classiļ¬ed as aĀ kingdom,
fungi, which is separate from the other eukaryotic life kingdoms ofĀ plantsĀ andĀ animals.
A characteristic that places fungi in a different kingdom from plants, bacteria, and some
protists isĀ chitinĀ in theirĀ cell walls. Similar to animals, fungi areĀ heterotrophs; they acquire
their food by absorbing dissolved molecules, typically by secretingĀ digestive enzymesĀ into
their environment. Fungi do notĀ photosynthesise. Growth is their means of mobility,
except for spores (a few of which are ļ¬agellated), which may travel through the air or
water. Fungi are the principalĀ decomposersĀ in ecological systems. These and other
differences place fungi in a single group of related organisms, named theĀ EumycotaĀ (true
fungiĀ orĀ Eumycetes), which share aĀ common ancestorĀ (form aĀ monophyleticĀ group), an
interpretation that is also strongly supported byĀ molecular phylogenetics. This fungal
group is distinct from the structurally similarĀ myxomycetesĀ (slime moulds)
andĀ oomycetesĀ (water moulds). The discipline ofĀ biologyĀ devoted to the study of fungi is
known asĀ mycologyĀ (from theĀ Greek Ī¼ĻĪŗĪ·ĻĀ mykes, mushroom). In the past, mycology
was regarded as a branch ofĀ botany, although it is now known fungi are genetically more
closely related to animals than to plants.
6. Your source for the latest research news
Date:
Source:
Summary:
Discovery About Evolution Of Fungi Has Implications For
Humans
October 23, 2006
University of Minnesota
A University of Minnesota researcher says as early fungi made the evolutionary journey from water
to land and branched oļ¬ from animals, they shed tail-like ļ¬agella that propelled them through their
aquatic environment and evolved a variety of new mechanisms, including explosive volleys and fraā
grances, to disperse their spores and reproduce in a terrestrial setting.
FULL STORY
As early fungi made the evolutionary journey from water to land and branched oļ¬ from animals,
they shed tail-like ļ¬agella that propelled them through their aquatic environment and evolved a
variety of new mechanisms (including explosive volleys and fragrances) to disperse their spores
and reproduce in a terrestrial setting.
"What's particularly interesting is that species retained their ļ¬agella for diļ¬erent lengths of time and developed
diļ¬erent mechanisms of spore dispersal," said David McLaughlin, professor of plant biology at the University of
Minnesota in the College of Biological Sciences and co-author of a paper published in the Oct. 19 issue of Nature
describing how fungi adapted to life on land.
The discovery is the latest installment in an international eļ¬ort to learn the origins of species. McLaughlin is one of
ļ¬ve principal investigators leading a team of 70 researchers at 35 institutions. The group analyzed information
from six key genetic regions in almost 200 contemporary species to reconstruct the earliest days of fungi and
their various relations.
McLaughlin is directing the assembly of a shared database of fungal structures obtained through electron microā
scopy, which produces detailed images that provide clues to the diversity of these organisms. The work is funded
by a $2.65 million "Assembling the Tree of Life" grant from the National Science Foundation that was awarded to
Duke University, the University of Minnesota, Oregon State University and Clark University in January 2003.
The discovery provides a new glimpse into evolution of life on Earth. It will also help scientists better understand
this unusual group of organisms and learn how to develop uses for their unique properties in medicine, agriculā
ture, conservation and industry.
McLaughlin believes fungi are a valuable untapped natural resource. They play a variety of roles in nature, such as
supplying plants with nutrients through mutualistic relationships and recycling dead organisms. He estimates that
there are about 1.5 million species on the Earth, but only about 10 percent of those are known. And civilization
has only identiļ¬ed uses for a few of those, such as using yeast to make bread, beer, wine, cheese and a few
antibiotics.
https://www.sciencedaily.com/releases/2006/10/061021115712.htm
Fungi are also intriguing because their cells are surprisingly
similar to human cells, McLaughlin said. In 1998 scientists
discovered that fungi split from animals about 1.538 billion years
ago, whereas plants split from animals about 1.547 billion years
ago. This means fungi split from animals 9 million years after
plants did, in which case fungi are actually more closely related to
animals than to plants. The fact that fungi had motile cells
propelled by ļ¬agella that are more like those in animals than
those in plants, supports that.
https://doi.org/10.1038/nature05110
8. Some famous fungi
ā¢ In penicillin, blue cheese, yoghurt, ā¦
ā¢ Yeast (beer, bread, wine, ā¦)
ā¢ Zwemmers eczeem ā Athleteās foot
ā¢ TheĀ largest living organism on the planet?
ā¢ Alleged cause of death of: Buddha, Emperor Claudius,
Hapsburg emperor Charles VI, Julius SchƤļ¬er, ā¦
ā¢ Digests and recycles animal and plant remains; lives in
symbiotic relation with plants and trees, animals, ā¦
Armillaria ostoyae
9. Poisonous mushrooms: 7 most dangerous in UK
https://www.woodlandtrust.org.uk/blog/2018/11/poisonous-mushrooms/
Fraaie gifgordijnzwam Groene knolamaniet Kleverige knolamaniet
Bundelmosklokje Weidetrechterzwam PanteramanietĀ
????????
11. Amanita muscaria
Musca from the name of the common house fly, musca domesticaAmanita fromĀ Ancient GreekĀ į¼ĀµĪ±Ī½ĪÆĻĪ·ĻĀ (amanĆtÄs), mushrooms.
12. I have a great deal to say about Amanita muscaria
ā result of many years research, observation.
This creature is not bright red with white spots for nothing!
24. Want to learn more about the
joys of mushroom hunting?
ā¢ Go out in the ļ¬elds or forests with someone with a great deal of experience.
ā¢ Never pick a mushroom if you donāt have to.
ā¢ A photograph is not enough to identify a mushroom.
Learn about the *important* distinguishing characteristics.
ā¢ Never eat a mushroom if you are not *absolutely* certain you have identiļ¬ed
it correctly. Be patient. Theyāll come again next year, same time, same place.
ā¢ Coļ¬ee-table books full of large glossy photographs are not much use.
ā¢ Internet is wonderful but not everything you read there is true.
ā¢ Mushrooms *and* people are natural living beings. Variation is ābuilt inā,
and itās enormous.
27. āChytridiomycotaā:
euchytrids
āZygomycotaā
microsporidia
1087 Coprinopsis cinerea
480 Lycoperdon pyriforme
626 Coprinus comatus
563 Clavaria zollingeri
673 Amanita brunnescens
625 Pluteus romellii
285 Cortinarius iodes
564 Pleurotus ostreatus
449 Armillaria mellea
558 Flammulina velutipes
556 Marasmius alliaceus
542 Ampulloclitocybe clavipes
557 Collybia tuberosa
468 Henningsomyces candidus
729 Hygrocybe aff. conica
439 Calostoma cinnabarinum
713 Boletellus projectellus
714 Hygrophoropsis aurantiaca
717 Suillus pictus
576 Fibulorhizoctonia sp.
455 Echinodontium tinctorium
682 Lactarius deceptivus
452 Bondarzewia montana
492 Stereum hirsutum
447 Coltricia perennis
688 Fomitiporia mediterranea
484 Phlebia radiata
767 Climacodon septentrionalis
776 Phanerochaete chrysosporium
562 Grifola sordulenta
701 Grifola frondosa
770 Fomitopsis pinicola
518 Hyphoderma praetermissum
700 Cotylidia sp.
466 Gautieria otthii
724 Ramaria rubella
471 Hydnum albomagnum
438 Calocera cornea
454 Dacryopinax spathularia
867 Cintractia sorghi vulgaris
870 Tilletiopsis sp.
865 Tilletiaria anomala
675 Agaricostilbum hyphaenes
674 Rhodotorula hordea
456 Endocronartium harknessii
1459 Puccinia graminis
138 Scutellospora heterogama
139 Glomus mosseae
845 Glomus intraradices
574 Geosiphon pyriformis
141 Mortierella verticillata
144 Umbelopsis ramanniana
184 Phycomyces blakesleeanus
1241 Rhizopus oryzae
136 Dimargaris bacillispora
140 Coemansia reversa
1062 Orphella aff. haysii
29 Smittium culisetae
185 Spiromyces aspiralis
142 Rhopalomyces elegans
145 Piptocephalis corymbifera
28 Entomophthora muscae
19 Physoderma maydis
18 Coelomomyces stegomyiae
24 Polychytrium aggregatum
27 Cladochytrium replicatum
21 Batrachochytrium dendrobatidis
689 Rhizophydium macroporosum
43 Rhizophlyctis rosea
182 Spizellomyces punctatus
635 Synchytrium macrosporum
25 Monoblepharella sp.
26 Hyaloraphidium curvatum
1068 Encephalitozoon cuniculi
1089 Antonospora locustae
Ciona intestinalis
Homo sapiens
Populus trichocarpa
Oryza sativa
Chlamydomonas reinhardtii
0.05 substitutions per site
to Ascomycota
709 Colacogloea peniophorae
āZygomycotaā:
Mucormycotina
Dikarya
Fungi
Y
Y
Y
Y
Y
Cyanidioschyzon merolae
Arabidopsis thaliana
Phytophthora sojae
Thalassiosira pseudonana
Monosiga brevicollis
Cryptosporidium parvum
Toxoplasma gondii
Dictyostelium discoideum
Drosophila melanogaster
Caenorhabditis elegans
297 Rozella allomycis Y
300 Allomyces arbusculus
20 Rhizoclosmatium sp.
638 Neocallimastix sp.
137 Conidiobolus coronatus
āZygomycotaā:
Entomophthorales
301 Basidiobolus ranarum
633 Olpidium brassicae
844 Paraglomus occultum
539 Endogone pisiformis
710 Platygloea disciformis
1088 Cryptococcus neoformans
505 Ustilago maydis
1078 Neurospora crassa
216 Sordaria fimicola
1085 Podospora anserina
217 Chaetomium globosum
1081 Magnaporthe grisea
935 Diaporthe eres
952 Gnomonia gnomon
51 Xylaria hypoxylon
63 Xylaria acuta
1082 Fusarium graminearum
161 Fusarium aff. solani
186 Hydropisphaera erubescens
52 Hypocrea citrina
914 Microascus trigonosporus
413 Lindra thalassiae
424 Lulworthia grandispora
1 Leotia lubrica
147 Coccomyces dentatus
744 Potebniamyces pyri
151 Chlorociboria aeruginosa
76 Mollisia cinerea
279 Monilinia fructicola
59 Botryotinia fuckeliana
941 Dermea acerina
166 Cudoniella clavus
49 Lachnum virgineum
56 Geoglossum nigritum
64 Trichoglossum hirsutum
1004 Pleopsidium chlorophanum
1005 Acarospora schleicheri
1007 Acarospora laqueata
106 Echinoplaca strigulacea
958 Diploschistes ocellatus
78 Acarosporina microspora
398 Stictis radiata
296 Orceolina kerguelensis
962 Trapelia placodioides
224 Pertusaria dactylina
358 Dibaeis baeomyces
645 Umbilicaria mammulata
687 Hypocenomyce scalaris
134 Peltigera degenii
196 Mycoblastus sanguinarius
639 Lecanora hybocarpa
6 Canoparmelia caroliniana
3 Cladonia caroliniana
642 Bacidia schweinitzii
84 Physcia aipolia
1079 Aspergillus fumigatus
1080 Aspergillus nidulans
426 Monascus purpureus
1083 Histoplasma capsulatum
1084 Coccidioides immitis
430 Spiromastix warcupii
657 Capronia pilosella
668 Exophiala dermatitidis
659 Ramichloridium anceps
669 Exophiala pisciphila
684 Agonimia sp.
91 Dermatocarpon miniatum
661 Endocarpon pallidulum
697 Staurothele frustulenta
342 Pyrgillus javanicus
387 Pyrenula pseudobufonia
891 Peltula umbilicata
892 Peltula auriculata
896 Lichinella iodopulchra
101 Anisomeridium polypori
1036 Trematosphaeria heterospora
1037 Westerdykella cylindrica
283 Pyrenophora phaeocomes
54 Cochliobolus heterostrophus
940 Pleospora herbarum
110 Trypethelium sp.
274 Dothidea sambuci
921 Dothidea insculpta
939 Capnodium coffeae
355 Dendrographa minor
126 Roccella fuciformis
80 Simonyella variegata
148 Cheilymenia stercorea
62 Scutellinia scutellata
65 Aleuria aurantia
949 Pyronema domesticum
50 Sarcoscypha coccinea
152 Caloscypha fulgens
176 Gyromitra californica
179 Disciotis sp.
60 Morchella aff. esculenta
66 Helvella compressa
181 Ascobolus crenulatus
507 Peziza vesiculosa
71 Peziza proteana
905 Orbilia vinosa
906 Orbilia auricolor
1069 Saccharomyces cerevisiae
1070 Saccharomyces castellii
1073 Candida glabrata
1071 Kluyveromyces waltii
1072 Ashbya gossypii
1075 Kluyveromyces lactis
1074 Candida albicans
1269 Candida tropicalis
1270 Candida guilliermondii
1077 Debaryomyces hansenii
1268 Candida lusitaniae
1076 Yarrowia lipolytica
1199 Schizosaccharomyces pombe
265 Taphrina wiesneri
266 Protomyces inouyei
1192 Pneumocystis carinii
Pezizomycotina
Y
Phagotroph
Phototroph
Lichenized
Mycorrhizal
Plant pathogen
Animal pathogen
Mycoparasite
Insect commensal
Saprobe
Uncertain
Genome
sequenced
Motile cell stage
present
Saprobe
Uncertain
Pathogen
Mutualist
Phototroph
Phagotroph
Viridiplantae
Metazoa
Glomeromycota
Basidiomycota:
Pucciniomycotina
Basidiomycota:
Ustilaginomycotina
Basidiomycota:
Agaricomycotina
100/100
100/92
100/73
100/71
--/85
āChytridiomycotaā:
Blastocladiales
...
...
Rhodophyta
Stramenopiles
Apicomplexa
Mycetozoa
Choanoflagellida
āChytridiomycotaā
āChytridiomycotaā
100/80
100/100
100/81
100/94
100/93
100/98
100/94
Ascomycota:
Lichinomycetes
Ascomycota:
Eurotiomycetes
Ascomycota:
Lecanoromycetes
Ascomycota:
Leotiomycetes
Ascomycota:Sordariomycetes
H
O
L
M
P
A
I
S
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S
S
S
S
S
S
S
S
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S
S
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O
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M
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M
M
M
M
M
M
M
M
M
M
M
M
P
P
P
P
P
P
P
P
P
P
P
P
A
A
A
A
A
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I
I
I
H
H
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O
O
P
A
H
A
H
H
S
S
S
S A
P
S A
S
M
P
P
A
S
S
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S
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S
S
S
S
S
S
S
S
S
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S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
A
A
A
A
A
A
A
A
A
A
A
L
L
L
L
L
L
L
L
L
L
L
L
L
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L
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L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
S
S
S
H
Ascomycota:
Taphrinomycotina
Ascomycota:
Saccharomycotina
Ascomycota: Orbiliomycetes
Ascomycota:
Pezizomycetes
Ascomycota:
Arthoniomycetes
Ascomycota:
Dothideomycetes
Figure 1 | Phylogeny of the kingdom Fungi using bayesian analysis of the
combined, six-gene data set. Each fungal species begins with a unique
āAssembling the Fungal Tree of Lifeā identifier, followed by genus and
species. Indicated for each terminal taxon are: nutritional mode, whether
they produce flagellated cells and if there is a genome sequence for the taxon
completed or underway. Thickened branches indicate those that are
supported both by heterogeneous bayesian analysis (BPP $95%) and by
MLBS ($70%). Almost every branch was supported by BPP and thus values
are not shown. Where indicated, support values (percentage of trees in
agreement out of 58,611 trees) indicate BPP followed by MLBS. Branches are
shaded according to reconstruction of nutritional mode. Microsporidia
branches have been shortened three times (double black break) to increase
readability. Red vertical ticks on branches indicate alternative placements of
microsporidia that might be significantly rejected (P , 0.05) and green ticks
indicate placements that cannot be rejected. Quotation marks indicate non-
monophyly of the taxon. The name āMucormycotinaā will be validated in a
manuscript that is in preparation.
Nature:
https://doi.org/10.1038/nature05110
Fungi and ā¦
Data science
Big data
Machine learning
AI
Bayesian statistics
28.
29.
30.
31.
32.
33. 2) Tell us where in the World you are? Location can be VERY important.
3) Take pictures of:
- top of the cap
- underside of the cap
- stipe (preferably the whole stipe with the base)
- if possible, a longitudinal section to see the context (ļ¬esh of the mushroom) and the
attachment of the hymenium (gills, tubes, spines, etc) to the stipe'
- overview/side view
- as many diļ¬erent ages, from small buttons to worn out mushrooms
- spore print
3) Make sure that these pictures are:
- made preferably in situ (on location), but if that is not possible, then use a neutral background
- in the right white balance (colours of the picture should resemble the real colours in daylight)
- not too dark or over-exposed (preferably in daylight)
- sharp
- free of distracting elements like leafs, twigs, dirt etc. The specimen and characteristics have to be clearly visible
4) Always include the following in the description:
4a) if you already have an idea of what species it may be, add:
- the name (both scientiļ¬c and common)
- a description of the characteristics you base your ID on
- the sources you used for identiļ¬cation (books/websites)
4b) If you don't know what it is:
- scent
- taste (it is not harmful to nibble a bit oļ¬ of a mushroom and chew on it for 10 sec. BUT ALWAYS SPIT IT OUT!
Even if it tastes nice! Amanita phalloides has quite a slight sweet ļ¬avour, but you don't want to swallow a piece of that)
- the true colours (if the colours in the picture does not resemble the true colours by daylight)
- possible discolouration of the cap/stipe/hymenium/context (this may take a while with some species)
- the substrate (mulch/wood/living tree/bare ground/dead animals etc)
- habitat (nearest tree species, woods, calcareous grassland, fen, dry/moist soil, high/low elevation etc)
- location (if in US: state/region; if abroad: country + region)
34. Medically treated
severe mushroom
poisonings in
Germany 2008ā
2013
Americans have grizzly
bears, Australians have
sharks, Japanese have
the poisonous globe ļ¬sh,
Germans have poisonous
mushrooms. Almost no-
one is killed by any of
these things.
35. Erotische zwammen
Dankzij het warme en vochtige weer beleeft de natuur een tweede bloei, dit
keer niet van bloemen maar van paddestoelen. Onstuitbaar dringen al die
ogenschijnlijk zwakke hoeden in bos en berm door de humuslaag heen. Samen
met het afvallende loof geven ze kleur aan het herfstbos. Maar hoe kom je
achter de namen van al die bizarre vertegenwoordigers van het zwammenrijk?
Volgens een voorzichtige schatting kent de gemiddelde Nederlander niet meer
dan drie of vier namen ā de vliegenzwam natuurlijk, het eekhoorntjesbrood, de
cantharel en vooruit, het elfenbankje. Wie zijn kennis wil vergroten of
bijspijkeren, kan het beste met een excursie meegaan.
ā¢ Gerrit Jan Zwier 11 oktober 2001āØ
De laatste tijd liep ik verschillende keren mee. Nu eens met een boswachter, dan weer met een echte deskundige. Er zijn twee soorten
deelnemers op wie deze gidsen het niet zo begrepen hebben ā gretige plukkers en verzamelaars van paddo's. De eersten gaat het vooral
om de cantharel, die weer in opkomst is. De liefhebbers van paddo's zijn gespitst op kaalkopjes die met name op mesthopen in het
open veld te vinden zijn. `Hallucinogeen' luidt de toevoeging in de boeken bij twee bescheiden zwammetjes, het puntig kaalkopje en
het franjekaalkopje. Sommigen brouwen er soep van, echte heksensoep dus.
De gids moet echt goed thuis zijn in de materie, want alle deelnemers hebben de gewoonte hun vinger naar elke paddestoel uit te
steken en naar de naam te vragen. Dat betekent dat je vele honderden soorten (in totaal gaat het in Nederland om een kleine
vierduizend), die vaak sterk op elkaar lijken, moet kennen. Echte mycologen (zwammenexperts) beschikken over allerlei foefjes om de
ene familie en de ene soort van de andere te onderscheiden. Maar een amateur komt soms voor vele verrassingen te staan.
36. Zo was ik laatst met een alleraardigste boswachter op stap die zich kennelijk eerst niet op de hoogte had gesteld van de vele
nieuwkomers in het door ons te doorkruisen bos. `Wat een leuk zwammetje!' luidde meestal zijn openingszin, als hij bij een
aangewezen exemplaar neerknielde. Daarna hield hij een spiegeltje onder de hoed, opdat iedereen de mooi gevormde lamellen kon
zien. `Ik denk een melkzwammetje', zei hij dan. Om dat zeker te weten, moest hij het vlees echter kneuzen, en dat ging hem aan het
hart. Lag de paddestoel ondersteboven, en begon hij na een kneep in de lamellen niet te `melken', dan hield hij het meestal op een
`ridderzwammetje'. In zijn baard hoorde ik hem mompelen over `ridders en schijnridders'. Op zeker moment begon hij zijn tred te
versnellen en allerlei vreemde zwammen te negeren. Hij wilde eigenlijk alleen iets vertellen over goede bekenden, zoals het
rodekoolzwammetje en de boschampignon.
De gids, die ons laatst in de buurt van Ravenswoud rondleidde, was meer het type van de dorpsonderwijzer. Aan het begin van de
wandeling strooide hij wat broodkruimels uit een zakje, om de `bosgeesten mild te stemmen'. Dat deden ze vroeger ook, lichtte hij toe,
in de hoop een rijke zwammenflora in het bos aan te treffen. En werkelijk, onze oogst was rijk; laat ik hier slechts de grote oranje
bekerzwam, de groene glibberzwam (die uit gelatine gemaakt lijkt te zijn), de radijsvaalhoed en de parelamaniet noemen. De laatste is
niet giftig, in tegenstelling tot de panteramaniet, die er sterk op lijkt. Toen de Larousse Encyclopedie het omgekeerde beweerde, moest
de hele oplage van 400.000 exemplaren vernietigd worden.
Bij vele soorten had onze leidsman een verhaal bij de hand. Moederkoren, een schimmel op graan, zorgde vroeger voor
voedselvergiftigingen. Bekend ook is het apocriefe verhaal over de zuster van Darwin, die het uiterlijk van de Phallus impudicus (grote
stinkzwam) zo aanstootgevend vond dat zij die elke herfst uit haar tuin liet verwijderen. De wereld van de mycologie heeft toch al een
duidelijk erotische ondertoon. Zo ruiken vezelkoppen naar sperma en herinneren woorden als `schede', `volva' (`beurs') en
`hymenium' (kiemvlies; hymen = maagdenvlies) aan een seksuologisch handboek.
`Heeft u wel eens een pruikzwam gezien?' vroeg ik laatst aan een expert. Deze zwam hangt soms als een wit bevroren watervalletje uit
de oksel van een oude beuk.
`Jazeker', zei hij, `daar kreeg ik bijna een mycologisch orgasme van.'
39. One of the 245 analysed maximum-likelihood trees was randomly chosen
and visualized. Trees were inferred from nrLSU,Ā rpb2, ef1-aĀ sequences
with a phylogenomic backbone constraint of deep nodes. Branches are
coloured by net diversiļ¬cation (speciation minus extinction) rate inferred
in Bayesian Analysis of Macroevolutionary Mixtures (BAMM). Warmer
colours denote a higher rate of diversiļ¬cation. Signiļ¬cant shifts in
diversiļ¬cation rate are shown by triangles at nodes. Only shifts present
on >50% of ten trees, with a Bayesian posterior probability >0.5 and a
posterior odds ratio >5 are shown. See Supplementary DataĀ 6Ā for
detailed discussion of shifts. Reconstructed probabilities of ancestral
plant hosts for order-level clades are shown as pie charts partitioned by
the inferred ancestral probability for gymnosperm (green) and
angiosperm host (black). Pie charts are given for the most recent
common ancestors of each order plus backbone nodes within the
Agaricalesāfor small orders see Supplementary DataĀ 3. Inner and outer
bars around the tree denote extant substrate preference (black,
angiosperm; green, gymnosperm; grey, generalist) and the placement of
species used for inferring the 650-gene phylogenomic backbone
phylogeny. Geological time scale is indicated with grey/white concentric
rings.