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Xerocomus marekii - to jpdenk

Xerocomus marekii - to jpdenk
Photo Information
Copyright: Laszlo Kaposvari (Hormon_Manyer) Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 1472 W: 308 N: 2610] (10251)
Genre: Fungi
Medium: Color
Date Taken: 2010-05-30
Categories: Fungi
Camera: HP Photosmart R817
Exposure: f/2.8
More Photo Info: [view]
Photo Version: Original Version, Workshop
Theme(s): Fungi of Hungary II., Hormon's dedications, Masterpieces with Bridge or Compact cameras [view contributor(s)]
Date Submitted: 2010-08-28 8:14
Viewed: 5368
Points: 36
[Note Guidelines] Photographer's Note
Dear Friends,

This time a totally new species on TN (and also a quite young one for the science): Xerocomus marekii (Šutara & Skála) Klofac, a very rare bolete species. I'd like to dedicate the photo to my American Friend John Denk (jpdenk), who I learned a lot from. Dear John, sharing a species not living in North America, I hope I can teach something to You now. :)

Xerocomus marekii was discovered as a new species by the Czech mycologists Šutara and Skála in 2005. It's quite similar to its closest relative, Xerocomus porosporus Imler, except for the cap color and some microscopical features.

Xerocomus marekii (Šutara & Skála) Klofac

Cap: diameter 2,5 - 4,5 centimeters, from hemispherical expanding, applanate, felty when young, soon cracking strongly. Color rosaceous red, bloodred, very rarely yellow, often with yellowish margin, with brownish tinges by the older specimens.
Pores: broad, adnexed with small pit, labyrinthoid when young, later with angular, wide pores, lemon yellow, turning greenish blue when bruised, olivaceous green when mature.
Stem: 3-6 x 0,4-0,8 centimeters, cylindrical, curved, tapering towards the base, with red-ish floccosity on yellow ground in different degree, greyish brown at the base.
Context: thin, soon becoming soft, bright yellow in pileus (cap), pale yellow in stem, differently red towards the base, greyish brown at the base.
Habitat: in mixed deciduous forests, under oaks (Quercus sp.). Found mostly in Middle of Europe (Czech Republic, Slovakia, Germany, Austria, Hungary, but was also reported from Greece).
Edibility: very probably edible, because no toxic species is known in Xerocomus genera.

(source: Albert, L.; Dima, B.: First occurence of Xerocomus marekii in Hungary, in: Clusiana vol. 48., No. 1., 2009)

I found the specimen on the pic on 30th of May, 2010, under Quercus petraea (sessile oak). This is the 2nd place in Hungary where Xerocomus marekii was found. Microscopical analysis was done by my friend Bálint Dima mycologist.

I uploaded a collage as workshop to show all the macroscopic features.

More studies on the taxon here.

Thanx for stopping by and commenting. Cheers, László

maurydv, anemone, cobra112, rousettus, haraprasan, boreocypriensis, Alex99, livius, jhm, saeedabbasi, Dis. Ac., petrudamsa, jusninasirun has marked this note useful
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Critiques [Translate]

Ciao Ladislao,
oggi siamo vicini e mi rallegra l'immagine di questo fungo ripreso in una splendida visione grandangolare che esalta le sue caratteristiche, mi piacerebbe fotograre i funghi, ma pur essendo originario di una zona montana delle Prealpi, non ho molte occasioni per farlo, grazie quindi della condivisione dei tuoi meravigliosi soggetti.
Buona domenica
Ciao Maurizio

  • Great 
  • lousat Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 6595 W: 89 N: 15659] (65489)
  • [2010-08-28 8:42]

Hi Laszlo,a brand new specie and a different pic today.I like a lot the focus direct of this mushroom in a soft and out-of-sharpness background.Very very nice idea from the usual,beautifull point of view.Thanks for share,have a nice weekend,Luciano.

Hello Laszlo friend!...
Yeeesss...!!! I like a lot this f/2.8 fungi shot!... Bravo my friend!... Well done, nice deep effect!... Have a nice Sunday, Thanks for sharing, Regards and hugs! Jesús

Hi Laszlo. Amazing close up shot of this mushroom with super details, POV and composition. I like shallow DOF here.
thanks for sharing
Best regards

Ciao Lazlo. Very good focus and light on the mushroom. Nice colours.


hello Lazslo
great to the first on TN with good details and beautiful colours
greeting lou

szia László hocam,
I am pleasured to see a new species on TN. congratulations.
Xerocomus marekii is new not only for TN, but also science. You greatly captured and presented it with good informative notes. sharp focus, low POV and DOF very nice. also composition and white lined frame very nice.
köszönet nagyon
Jó éjszakát, barátom

Hi Laszlo,
A nice capture of this beautiful mushroom. Very well composed with good details. Thanks a lot for sharing.

Hi Bareatom;)

Exceptional macro of this very beutiful mushroom which have been described recently. Congrats for the 1st post on TN!
whatever it's called, you've done a fantastic job in both taking and presenting this fungus MF!. The details and colour looks very precise and accurate. Good job with the focus and shalllow DOF! Impressive work! as always you did!
TFS and have a nice time during my absence:)


  • Great 
  • Alex99 Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 4072 W: 133 N: 7096] (23735)
  • [2010-08-29 21:26]

Hi Laszlo.
Great use of DOF. Blurriness of the surroundings are superb and very pleasant for eyes. Ultimate details and sharpness of the mushrooms cap are also exceptional. Colors are looks so naturally and very nice too. Perfect close-up work. My compliments.

Hello Ladislao
bellissima questa composizione in cui il piccolo Xerocomus viene composto con uno splendido e particolare sfocato. Ottima la luce ed il dettaglio. i funghi sono sempre degli ottimi soggetti in grado di meravigliarci ogni volta che gli immortaliamo e questa resta una tua specialitŕ.

  • Great 
  • jhm Gold Star Critiquer/Gold Note Writer [C: 893 W: 0 N: 507] (1853)
  • [2010-09-05 5:03]

Buzogány Laszlo,

We come back to the period of the mushrooms, certainly after the a lot rain the last month, the fourth most bad month since 1833 in Belgium.
Nice pose, very low against the ground taken
Very well sharpness and clarity. TFS.

Warmest regards,

Hi dear Laszlo,
So nice shot.
Great composition and nice focus.
Well captured.
Kind regards

  • Great 
  • foozi Gold Star Critiquer/Gold Note Writer [C: 2791 W: 0 N: 6696] (25839)
  • [2010-09-21 0:53]

Hello MF Laszlo,
very artistic composition with the selected focussing to give a dramatic composition.
I like delicate brown cap that stands outs beautifully in the photo.
Well shown fungus.


Hello Laszlo,

this specie are rare in the Netherlands and protected.
Also Red listed.
Nice dof, good pov and sharpness.
Fine colours.
I never been found this specie.
Where i take a lots of red flowers (South limburg)he are uncommon.


Hello Laszlo,

This is a fine discovery. I should check next year for this specie in my area too, since my location is close both to Hungary and Slovakia... I'll do a bookmark to this page to have at least the macroscopic features. The microscopic will be a problem though...

Cheers, Petru

Have a joyful Christmas, László.
This is a fine close macro of the new species in TN. Details are amazing in artistic focus and presentation.
Thanks and kind regards - Jusni

A beautiful mushroom and an attractive, elegant image. Redccing the photo to just the mushroom and its uncluttered habitat works very well! And thank you for the dedication, László! I've learned from your postings too, which is what I think this site should primarily be about.


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