89
Addi ions o he En oloma (Aga icales, En oloma aceae) om
China: Desc ip ion o i e species wi h one new o science
Xu Liu1, Qiang Chen1, Quanju Xiang1, Yun u Gu1, Xixi Han2,3,4, Rui Xing5,6, Ruilin Zhao2,7 , Maoqiang He1
1 College o Resou ce Sciences and Technology, Sichuan Ag icul u al Uni e si y, Chengdu 611130, China
2 S a e Key Labo a o y o Mycology, Ins i u e o Mic obiology, Chinese Academy o Sciences, Beijing 100101, China
3 Cen e o Excellence in Fungal Resea ch, Mae Fah Luang Uni e si y, Chiang Rai 57100, Thailand
4 School o Science, Mae Fah Luang Uni e si y, Chiang Rai 57100, Thailand
5 No hwes Ins i u e o Pla eau Biology,Chinese Academy o Sciences, Xining,Qinghai, China
6 Qinghai P o incial Key Labo a o y o C op Molecula B eeding, Xining, Qinghai, China
7 College o Li e Sciences, Uni e si y o Chinese Academy o Sciences, Huai ou Dis ic , Beijing, 100408, China
Co esponding au ho : Maoqiang He ([email p o ec ed])
Copy igh : © Xu Liu e al.
This is an open access a icle dis ibu ed unde
e ms o he C ea i e Commons A ibu ion
License (A ibu ion 4.0 In e na ional – CC BY 4.0).
Resea ch A icle
Abs ac
En oloma is one o he op h ee gene a in species di e si y o Aga icomyco ina. In his
s udy, i e species om Qilian Moun ain in China we e documen ed. One new species E.
g iseopileum belonging o subg. Lep onia was in oduced based on mo phological and
phylogene ic analyses. This new species is cha ac e ized by i s g ay basidiomes wi h
ib illose pileus and wood-decaying li es yle. Fou known species a e E. glaucobasis, E.
incanum, and E. e ae in subg. Cyanula, and E. uligineocine eum in subg. Nolanea. All
i e species a e documen ed wi h desc ip ions, pho o pla es, and molecula da a includ-
ing ITS, LSU, and m SSU sequences.
Key wo ds: En oloma aceae, new axa, phylogeny, axonomy
In oduc ion
En oloma (F .) P. Kumm., ypi ied by E. sinua um (Bull.) P. Kumm., is one o he
op h ee gene a in species di e si y o Aga icomyco ina. I is es ima ed ha
he e a e mo e han 1800 species o En oloma wo ldwide (He e al. 2019a). The
gene al mo phological cha ac e is ics o En olomaa e:basidiomes aga icoid,
seco ioid o gas e oid; aga icoid habi a iable as icholoma oid, mycenoid, col-
lybioid, cli ocyboid, omphalioid o pleu o oid; pink spo e p in o pinkish b own,
lamellae almos ee, adnexed o adna e, adna e-ema gina e o adna e-decu -
en , spo es angula in all iews which is en i ely co e ed wi h ace s delinea ed
by idges; clamp-connec ions o en absen ; cheilocys idia a e; pileipellis a i-
able (cu is, ichode m, hymenide m) wi h di e se pigmen a ion(Noo deloos
1981; La gen 1986). Mos species o his genus a e sap o ophic, bu he e
a e also some myco hizal o weakly pa asi ic axa. Fo example, membe s o
sec ions En oloma and Rhodopolia a e ec omyco hizal, and Rosaceae-asso-
cia ed membe s o sec ion Nolanidea a e conside ed weakly pa asi ic (Age e
and Walle 1993; Tede soo e al. 2010).
Academic edi o : Tho s en Lumbsch
Recei ed:
19 June 2025
Accep ed:
23 Sep embe 2025
Published:
10 Oc obe 2025
Ci a ion: Liu X, Chen Q, Xiang Q,
Gu Y, Han X, Xing R, Zhao R, He M
(2025) Addi ions o he En oloma
(Aga icales, En oloma aceae) om
China: Desc ip ion o i e species wi h
one new o science. MycoKeys 123:
89–103. h ps://doi.o g/10.3897/
mycokeys.123.162577
MycoKeys 123: 89–103 (2025)
DOI: 10.3897/mycokeys.123.162577
90
MycoKeys 123: 89–103 (2025), DOI: 10.3897/mycokeys.123.162577
Xu Liu e al.: Addi ions o he En oloma om China
A obus molecula -based axonomic sys em o En oloma is no es ablished
ye . T adi ional axonomic s udies di ided En oloma in o 13 subgene a based
on mo phological cha ac e is ics, such as basidiome o ms, pileipellis, basidio-
spo es, cys idia, and clamp connec ions (Noo deloos and Ga es 2012a; Kaygu-
suz e al. 2024). Ano he opinion ea ed hese subgene a as gene a (Aime e al.
2010, Ka s ed e al. 2020; Ni ei o e al. 2021). En oloma cons i u es he domi-
nan species di e si y wi hin En oloma aceae. The i s comp ehensi e molecu-
la phylogene ic s udy o En oloma aceae indica ed he e a e wo main clades o
En oloma, basal and c own clades. The basal clade is equal o P unuloides clade
and c own clade is composed o Rhodopoloid clade, Inocephalus-Cyanula clade,
and Nolanea-Claudopus. Subgenus Lep onia is ound o be polyphyle ic and dis-
ibu ed in wo di e en subclades in he c own clade (Co-Da id e al. 2009).
In he pas decades, mos axonomic s udies o En oloma a e ocused on Ame -
ican and Eu opean a eas while species di e si y o En oloma in China is ela i ely
poo ly known. In ecen yea s, species di e si y o En oloma in China has been
explo ed.The e a e many new species o En oloma in oduced om China based
on mo phological and molecula da a (He e al. 2012, 2013, 2015, 2019b; Chen e
al. 2024, 2025). The Qilian Moun ains, loca ed be ween Qinghai and Gansu p o -
inces in no hwes China, is a c i ical biodi e si y co ido connec ing no he n
and sou he n China. Du ing ou mac o ungi di e si y su eys in Qilian Moun ains,
se e al no able samples o En oloma we e collec ed. In his s udy, based on mo -
phological and mul igene phylogene ic analyses, we iden i ied and documen ed
i e En oloma species including one new o science in subgenus Lep onia.
Ma e ials and me hods
Mo phological examina ion
Specimens we e collec ed du ing he ainy season (July o Augus ). Pho o-
g aphs we e aken immedia ely in he ield. Basidiomes we e w apped in alu-
minium oil o pu in plas ic boxes sepa a ely. Mac o mo phological cha ac e -
is ics and habi in o ma ion we e eco ded when specimens we e esh. E e y
specimen was d ied in an elec ical ood d ie a 40 °C, hen kep in a plas ic zip-
lock bag and deposi ed in He ba ium MycologicumAcademiaeSinicae (HMAS).
Ana omical and cy ological cha ac e is ics we e obse ed using d y specimens
unde he ligh mic oscope (SOPTOP EX33). Obse ed cha ac e is ics included
basidiospo es, basidia, cys idia and pileipellis. A leas 20 measu emen s we e
made o each cha ac e is ic. Measu emen s we e analyzed and eco ded as
X= he mean o leng h by wid h ± SD, Q = he quo ien o basidiospo e leng h o
wid h, and Qm = he mean o Q alues ± SD. All he p o ocols o mo phological
s udy ollowed La gen ’s me hodology (La gen 1986).
DNA ex ac ion and PCR
Genomic DNA o each specimen was ex ac ed by ab oad-spec um plan Rapid
Genomic DNA Ki ollowed he manu ac u e ’s p o ocol. Th ee genes we e ap-
plied in he phylogene ic analyses iz. in e nal ansc ibed space (ITS), la ge
ibosomal subuni (LSU), and mi ochond ial ibosomal small subuni (m SSU).
The p ime s o each gene a e ITS4/ITS5, LR5/LROR, and NS1/NS4, espec i ely.
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Xu Liu e al.: Addi ions o he En oloma om China
The PCR p og ams a e ollowed desc ibe in He e al. (2017). The PCR p oduc s
we e sequenced in Sangon Bio ech (Shanghai) Co., L d. Bo h di ec ions we e
sequenced o ensu e accu acy o each gene.
Phylogene ic analyses
In o ma ion o e e ence and new gene a ed sequences we e lis ed in Suppl. ma-
e ial 1. New gene a ed sequences we e checked in Geneious P ime .2025.0.3.
Alignmen s we e made using Muscle o each gene sepa a ely (Edga 2004), hen
adjus ed by hand o emo e he ambiguous egion. The da ase was made o ge-
nus En oloma. The En olomada ase includes 72ITS, 53LSU, and 43m SSU. Max-
imum likelihood (ML) analysis and boo s ap alues calcula ion we e pe o med
in axmlGUI 1.5b1 wi h GTRGAMMA model wi h 1000 eplica es (Sil es o and
Michalak 2012). ModelFinde 2.2.0 (Kalyaanamoo hy e al. 2017) was used o
selec he bes - i pa i ion model (Edge-linked) using AIC c i e ion. In he En olo-
ma da ase , Bes - i model acco ding o AIC a e GTR+F+I+G4 o ITS, GTR+F+I+G4
o LSU, and GTR+F+I+G4 o m SSU. Bayesian In e ence (BI) analysis was pe -
o med by M Bayes 3.1.2. Ten million gene a ions we e un o six Ma ko chains
and sampled e e y 1000 h gene a ion. Bu n-ins was de e mined in T ace 1.6 wi h
e ec i e sample sizes (ESS) highe han 200 (h p:// ee.bio.ed.ac.uk/so wa e/
ace ). Remaining ees we e used o calcula e Bayesian pos e io p obabili ies
(PP). Maximum likelihood (ML) analysis and boo s ap alues calcula ion we e
pe o med in axmlGUI 1.5b1 wi h GTRGAMMA model wi h 1000 eplica es (Sil-
es o and Michalak 2012). Phylogene ic ees we e p esen ed in Fig. 1.
Phylogene ic esul s
The ML ee o En oloma is p esen ed in Fig. 1. The e a e 75 samples in ol ed ep-
esen ing 48 species o En oloma and one ou g oup species Cli opilus hi neolus.
These 48 species ep esen wel e subgene a o En oloma. Samples collec ed
om Qilian Moun ains dis ibu ed in h ee subgene a, iz. subg. Cyanula, subg.
Nolanea, subg. Lep onia. In he Cyanula clade, h ee samples om Qilian Moun-
ains clus e ed in E. incanum, E. e ae,and E. glaucobasis clades wi h ull boo s ap
alues. Fou samples clus e ed in E. uligineocine eum clade in subg. Nolanea
wi h ull boo s ap and PP alues. Th ee samples clus e ed in En oloma and sis-
e o he E. allingio um wi h he s a is ical alues PP/BS = 1.0/99.Th ee Qinghai
samples clus e ed oge he and sis e o he clade composed by E. aus iacum, E.
alne o um,and E. jallingio um wi h he s a is ical alues PP/BS = 1.0/100.
Taxonomy
En oloma uligineocine eum Mešić & Tkalčec, Phy o axa 289(3): 297 (2016)
Fig. 2
Basionym. Nolanea la i olia Kau man, Pap. Mich. Acad. Sci. 5: 140, 1926 [1925].
Desc ip ion. Pileus is 23.0–32.2 mm in diame e , con ex o b oadly con-
ex, occasionally umbona e on he disc, ma gin en i e, occasionally s aigh ;
d y o hyg ophanous, smoo h, backg ound g ay o da k b own. Lamellae up o
3mm b oad, adna e o sligh ly sinua e, ligh b own, b own, ge ing da k nea he
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Xu Liu e al.: Addi ions o he En oloma om China
E.lepidissimum PRM755801 Czech Republic T
0.07
E. iolaceozona um L275 Es onia T
E.suba aneosum GDGM 28823 China T
E. jallingio um UPS:BOT:F-016378 Sweden T
E. iolaceo illosum 645 India Ke ala
E.se ula um LE254361 Russia Caucasus
E. uligineocine eum OMD LiNa 230202861 Canada On a io
E. uligineocine eum iNAT 18337020 USA Washing on
E.k u icianum LE311767 Russia Eu opeanpa
E.placidum UPS:BOT:F-121714 Sweden
E.a icolo LE295001 Vie nam
E.incanum ACD0182 USA De il sLake
E.pe coeles inum LE254390 Spain T
E. u bidum MEN200351 Slo akia
E. uligieneocine eum ZRL20234471 China Qinghai
E. uligineocine eum OMDLK CananMO 342838 USA Washing on
E.con e endum MEN200330 Slo akia
E.glaucobasis FA4320 F ance Sa oie
E. e ae ZRL20235682 China Qinghai
E. e ae KaiR 990 Ge many
Cli opilus hi neolus MEN199956 I aly
E.bidupense LE262935 Vie nam T
E.incanum FLAS F 69723 USA Ken ucky
E.a icolo LE295003 Vie nam
E.bidupense LE262941 Vie nam
E.chy ophilum L855 Spain Cana y Islands T
E.indu oides LE254354 Russia Lening ad Region
E. uligieneocine eum ZRL20234535 China Qinghai
E.ni idum MEN200324 Slo akia
E.alne o um G-00111402 Swi ze land T
E.ce a um LE235480 Russia Lening ad Region
E. g iseopileum ZRL20230583 China Qinghai T
E.callide mum GENT Malaysia
E.a icolo LE295000 Vie nam T
E.quad a um LE254355 Russia Fa Eas
E. uligineocine eum O18044 Mongolia
E.g iseocyaneum LE254351 Russia Caucasus
E.bulakhae LE253787 Russia Fa Eas
E.al issimum LE262945 Vie nam
E. g iseopileum ZRL20230545 China Qinghai
E. e ae HMAS293479 China
E. glaucobasis ZRL20234505 China Qinghai
E.bulakhae LE312416 Russia Fa Eas
E.dich oides LE F-343682 Vie nam
E.clypea um MEN198302 The Ne he lands
E.incanum HKAS49360 China
E.sinua um 8181-FTUR F inland
E.unda um LE312417 Russia No go od Region
E.a icolo LE295002 Vie nam
E. adungense LE F-343681 Vie nam
E. incanum ZRL20234451 China Qinghai
E.chalybeum LE254353 Russia Lening ad Region
E.a aneosum MEN200314 Belgium
E. iolaceose ula um JV8329F
E.incanum OMD L iNa 172316324 USA Vi ginia
E.callich oum ZT 71/58 Swi ze land T
E. g iseopileum ZRL20230575 China Qinghai
E.dich oum LE.227472 Russia Eu opean pa
E.sublac eispo um LIP-JVG-070823T Spain
E. enus um E17/10 Ge many T
E.eugenei LE253771 Russia P imo sky Te i o y T
E.euch oum LE262995 Russia Caucasus
E. uligieneocine eum ZRL20230695 China Qinghai
E. uligieneocine eum ZRL20230456 China Qinghai
E.incanum LE312503 Sweden Os e sund T
E.aus iacum LE254343 Russia Fa Eas
E.glaucobasis Ro h 16-6-95 Ge many
E.abo i um LE312419 Russia Fa Eas
E.lamp opus UPS:BOT:F-176490 Sweden
E. e num LE312418 Russia No go od Region
E.alloch omum 29-07-1973 The Ne he lands T
E. e ae LE227613 Russia Sama a Region T
E.coeles inum LE258103 Russia U al
1.0/96
-/75
-/100
0.9/100
0.9/100
-/100
-/92
1.0/100
1.0/99
-84
1.0/100
-/60
1.0/100
-/55
1.0/100
1.0/100
1.0/100
1.0/97
1.0/99
-/99
1.0/100
-/92
-/76
1.0/100
1.0/100
0.9/100
-/53
1.0/100
-/93
-/73
0.9/100
1.0/75
1.0/100
-/79
-/79
1.0/98
1.0/99
1.0/85
1.0/100
0.9/91
-/100
1.0/97
-/93
1.0/100
1.0/100
1.0/100
1.0/96
1.0/100
1.0/100
-/75
-/92
1.0/99
Subg. Cyanula
Ou g oup
Subg. Callide ma
Subg. En olocybe
Subg. En oloma
Subg. Pouza ella
Subg. Lep onia
Subg. Nolanea
Subg. G iseo ubida
Subg. Inocephalus
Subg. Violaceozona a
Subg. Claudopus
Figu e 1. Maximum likelihood ee o En oloma based on ITS, LSU, and m SSU genes, oo ed wi h Cli opilus hi neolus.
Bayesian pos e io p obabili y (PP) alues ≥ 90% o Boo s ap suppo (BS) alues ≥ 50% a e indica ed a he in e nodes
(PP/BS). New samples a e in bold.The ype s ains ci ed indica ed by a bold “T”.
pileus edge, e oded, eined. S ipe 72.4–80.2 × 3.2–3.8 mm, concolo wi h he
pileus, pale owa d base, cylind ical,equal, su ace d y, smoo h, silky, occasion-
ally wi h he whi e ib ils o punc a e nea he pileus.
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Xu Liu e al.: Addi ions o he En oloma om China
Figu e 2. En oloma uligineocine eum. a, b. Basidiomes in he ield; c–g. Basidia; h, i. Basidiospo es; j. Pileipellis hyphae;
k, l. Lamellae edge. Scale ba s: 5 mm (a, b); 5 μm (c–g); 10 μm (h–I); 40 μm (j); 5 μm (k, l).
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Xu Liu e al.: Addi ions o he En oloma om China
Basidiospo es 8.6–11.6 × 8.1–9.8 μm [x¯ =9.6 ± 0.7 × 8.7 ± 0.4 μm, Q = 1.0–
1.2, Qm = 1.1 ± 0.1, n = 20], subglobose-angula , asymme ical, wi h 5–7 side.
Basidia 40.7–47.9 × 11.2–13.2 μm, 4-spo ed. Cheilocys idia absen . Pileipellis
a cu is wi h a ansi ion o a plagio ichode m and a ichode m o cylind ical o
sligh ly in la ed hyphae14.2–28.9 μm wide, wi h ligh memb anous b own pig-
men . Clamp connec ions absen . Lamellae edge is e ile.
No es. Ou samples clus e ed wi h samples om No he n Ame ica and
Mongolia o E. uligineocine eum in he phylogene ic ee (Fig. 1). Mo pholog-
ically, he mo phological cha ac e is ics o ou samples di e s sligh ly om
he p e ious desc ip ions. Basidiomes colo o ou samples is pale han hose
desc ibed in La gen (1971). In addi ion, ou Chinese samples p esen sligh ly
la ge basidiospo es compa ed wi h he holo ype (7.5–9 × 7–8.5 μm, x¯ = 8.3 ×
7.7 μm, La gen 1971).
Specimen examined. China • Qinghai p o ince, Qilian Moun ain Na ional
Pa k, Sigou, Donghaikou, 9 July 2023, MQ He, ZRL20230456 (HMAS300882)
• Qinghai P o ince, Haibei Tibe an Au onomous P e ec u e, Qilian Coun-
y, Binggoulinhai, 15 July 2023, MQ He, ZRL20230695 (HMAS300880)
• Qinghai P o ince, Tong en Ci y, ZamaoKasuhu, 23 Augus 2023, MQ
He, ZRL20234471 (HMAS300879) • Qinghai P o ince, Huangnan Tibe -
an Au onomous P e ec u e, Maixiu Fo es Fa m, 22 Augus 2023, MQ He,
ZRL20234535 (HMAS300881).
En oloma glaucobasis Huijsman ex Noo del., Pe soonia 12(4): 260 (1985)
Fig. 3
Desc ip ion. Pileus 29–33.4 mm in diame e , campanula e, occasionally wi h a
b oad umbo, disc dep essed o deeply inden ed, ma gin en i e, s aigh , sligh ly
upli ed; su aced y, backg ound g ay o ligh b own, co e ed wi h b own ib il-
lose scales in iangula shape, scales dense and da ke a he disc. Lamel-
lae up o 4 mm b oad, adna e o decu en , subdis an , whi e, ligh pink, en i e,
eined. S ipe 48.1–59.6 × 2.3–2.5 cm, ligh b own, concolo wi h he pileus,
su ace d y, smoo h, base whi e wi h hypha.
Basidiospo es 9.3–12.0 × 6.7–9.2 μm [x¯ =10.7 ± 0.7 × 8.1 ± 0.6 μm, Q =
1.2–1.6, Qm = 1.3 ± 0.1, n = 20], he e odiame ic, wi h 5–7 angles in side-
iew. Basidia 28.5–38.6 × 9.8–13.6 μm, 4-spo ed. Cheilocys idia basidia-like,
13.2–19.8 × 3.7–7.4 μm.Pileipellis a cu is wi h a ansi ion o a plagio icho-
de m and a ichode m o cylind ical o sligh ly in la ed hyphae 8.2–17.9 μm
wide, hyaline, memb anous ligh b own. Clamp connec ions absen . Lamellae
edge is he e ogeneous.
No es. A sample om Qilian Moun ain clus e ed wo Eu opean samples
o E. glaucobasisin he phylogene ic ee (Fig. 1). This species is o iginally
desc ibed om Ge many. Ou sample gene ally coincides wi h he o iginal de-
sc ip ion o E. glaucobasis. Di e ence is ha he cheilocys idia is basidia-like
in ou sample while is cla a e o esicula acco ding o he o iginal desc ip ion
(Noo deloos 1985).
Specimen examined. China • Qinghai P o ince, Huangnan Tibe an Au ono-
mous P e ec u e, Maixiu Fo es Fa m, 22 Augus 2023, MQ He, ZRL20234505
(HMAS300878).
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Xu Liu e al.: Addi ions o he En oloma om China
En oloma g iseopileum M.Q. He & X. Liu, sp. no .
Fungal Names: FN 572836
Fig. 4
E ymology. he epi he “g iseo” means g ay, he name e e s o he g ayish pileus.
Holo ype. China • Qinghai P o ince Mu ual Aid Coun y, Beishan Na ional Fo -
es Pa k,Langshidang, 10 July 2023, MQ He,ZRL20230583 (HMAS300884).
Diagnosis. This species is cha ac e ized by i s g ay basidiomes and ib illose
pileus.
O iginal desc ip ion. Pileus is 26–32 mm in diame e , b oadly con ex, umbona e
on he disc, ma gin sligh ly decu ed when young, ge ing s aigh o sligh ly upli -
ed when ma u e; su ace d y, ib illose, backg ound g ay, ib ils ligh b own, dens-
e and da ke on he disc. Lamellae up o 3 mm b oad, adna e o sligh ly sinua e,
e oded, whi e, sligh ly pink, ge ing b own o da k b own nea he pileus edge. S ipe
33.53–42.20 × 3.2–3.5 mm, concolo wi h he pileus, da ke owa d base, cylind i-
cal,equal,su ace d y, smoo h, silky, occasionally wi h he same ib ils as on pileus.
Figu e 3. En oloma glaucobasis. a. Basidiomes in he ield; b. Pileipellis hyphae; c– . Basidiospo es; g–j. Basidia;
k–i.Cheilocys idia. Scale ba s: 5 mm (a); 10 μm (b); 5 μm (c– ); 5 μm (g–j); 5 μm (k, l).
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Xu Liu e al.: Addi ions o he En oloma om China
Figu e 4. En oloma g iseopileum. a–d. Basidiomes in he ield; e–j. Basidiospo es; k–o. Basidia; p. Pileipellis hyphae;
q– .Lamellae edge. Scale ba s: 5 mm (a–d); 2 μm (e–j); 5 μm (k–o); 10 μm (p); 5 μm (q– ).
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Xu Liu e al.: Addi ions o he En oloma om China
Basidiospo es 6.8–10.1 × 5.9–7.7 μm [x¯ =8.9 ± 0.7 × 6.7 ± 0.4 μm, Q = 1.0–
1.6, Qm = 1.3 ± 0.1, n = 20], he e odiame ic, wi h 5–7 angles in side- iew. Basid-
ia 31.8–40.6 × 9.3–13.8 μm, 4-spo ed. Cheilocys idia absen . Pileipellis a cu is
wi h a ansi ion o a plagio ichode m and a ichode m o cylind ical o sligh ly
in la ed hyphae 4.6–11.1 μm wide, wi h memb anous b own pigmen . Clamp
connec ions absen . Lamellae edge is e ile.
Habi a . Wood-inhabi ing.
No es. Mo phologically, E. g iseopileum esembles E. bispo ige um in he
ield which also can be ound in no he n China (Li e al. 2015). Bo h species
ha e g ayish small basidiomes (pileus smalle han 4cm in diame e ). Bu un-
de mic oscope, E. bispo ige um can be dis inguished om E. g iseopileum by
i s la ge basidiospo es (11.5–13.5 × 7.5–9 μm). Fu he mo e, E. bispo ige um
g ows on soil, while E.g iseopileum g ows on wood.
O he specimens examined. China • Qinghai P o ince, Beishan Na ional Fo -
es Pa k, Langshidang, 10 July 2023, MQ He, ZRL20230545 (HMAS300885),
ZRL20230575 (HMAS300883).
En oloma incanum (F .) Hesle ,Beih. No a Hedwigia 23: 147 (1967)
Fig. 5
Desc ip ion. Pileus is 22.9–26.0 mm in diame e , b oadly con ex, disc de-
p essed o deeply inden ed, ma gin en i e;su acesmoo h o sligh ly wi h whi e
ib ils, b own, yellowish b own, da ke a he disc, ge ing pale o yellowe o-
wa ds he edge. Lamellae up o 3 mm b oad, adna e o decu en , subdis an ,
whi e, ligh yellow,en i e, eined. S ipe 53.6 × 6.6 mm, yellow, o ligh g eenish
yellow, hollow,comp essed, su ace d y, smoo h, base whi e wi h hypha.
Basidiospo es 9.8–13.6 × 6.3–8.4 μm [x¯ =11.6 ± 1.1 × 7.4 ± 0.6 μm, Q =
1.3–2.0, Qm = 1.6 ± 0.2, n = 20], he e odiame ic, wi h 6–8 angles in side- iew.
Basidia 40.3–60.8 × 10.2–15.9 μm, 4-spo ed. Cheilocys idia absen . Pileipellis
a cu is wi h a ansi ion o a plagio ichode m and a ichode m o cylind ical
o sligh ly in la ed hyphae 6.0–15.5 μm wide, wi h memb anous ligh b own
pigmen . Clamp connec ions absen . Lamellae edge is e ile.
No es. Ou Chinese samples clus e ed wi h no he n Ame ica samples o E.
incanum in he phylogene ic ee wi h ull s a is ical alues (Fig. 1). En oloma
incanum is a ema kable species in he ield due o i s g eenish-b own o yel-
lowish-b own basidiomes wi h a b igh s ipe in g een o yellow. Ou samples
p esen a ela i ely b owne pileus han Ame ican samples (Kuo 2013).
Specimen examined. China • Qinghai P o ince, Tong en Ci y, Zhamao Vil-
lage, 23 Augus 2023, MQ He, ZRL20234451 (HMAS300876).
En oloma e ae O.V. Mo ozo a, Noo del., Reschke, F. Salzmann & Dima,
Pe soonia 47: 307 (2021)
Fig. 6
Desc ip ion. Pileus 21.4 mm in diame e , plane, disc deeply inden ed, ma -
gin en i e, su aced y, wi h dis inc adial da k b own ib ils on pale back-
g ound,some imes c acked when d y o old, pileus edge da k b own. Lamellae
