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28-05-2025 21:19

Terje Kristiansen

The rose is intertwined with black elderberry.Prob

26-05-2025 19:11

Edmond POINTE Edmond POINTE

Bonjour, apothécie poilue, jaune pale 495µm poil

26-05-2025 18:09

Henk Remijn

Good day,In a burned forest near Hulst on the bord

28-05-2025 15:19

Thomas Flammer

Substrate: pretty much soaked Fagus wood under new

21-05-2025 08:31

Josep Torres Josep Torres

Reddish-brown, grain-like ascomata, measuring 0.7

28-05-2025 07:56

Per Marstad Per Marstad

We are a group of 8 entusiastic "Hunters" who have

27-05-2025 13:34

Karen Poulsen

Hello, I found this one on straw in water at lake

26-05-2025 21:09

Zuzana Sochorová (Egertová) Zuzana Sochorová (Egertová)

Hello, I would like to consult this pyrenomycete.

26-05-2025 14:49

julien lagrandie

Bonjour à tous (je suis nouveau sur le forum), U

25-05-2025 08:22

Castillo Joseba Castillo Joseba

me mandan el material seco de Galicia (España) re

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Picoa lefebvrei?
Godorova Olga, 12-02-2015 19:56
Godorova OlgaHello, dear friends.
Two days ago we were in Negev desert of Israel and looked for desert truffels in the area, where several Helianthemum sp. grow. 
Several small hypogeious fungi were found there. And I think, it looks like Picoa lefebvrei. The mature spores look verrucose and reach 30-35 mkm. As I understand, the spores of Picoa juniperi, which is similar to this, must be smooth?
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Miguel Ángel Ribes, 13-02-2015 01:10
Miguel Ãngel Ribes
Re : Picoa lefebvrei?
Hi Olga

I have this collection from Fuerteventura (Canary Islands) with Helianthemum canariense.

http://www.micobotanicajaen.com/Revista/Articulos/MARibesR/Fuerteventura001/Picoa%20lefebvrei%20130310%2063.pdf

In Phylogenetic affiliation of the desert truffles Picoa juniperi and Picoa lefebvrei, Sbissi & al. (2010) the main character to identify P. lefebvrei is the warty spore ornamentation (smooth in P. juniperi).

Good luck.
Godorova Olga, 13-02-2015 05:24
Godorova Olga
Re : Picoa lefebvrei?
Great! Thank you very much! :)
Mario Filippa, 13-02-2015 14:38
Re : Picoa lefebvrei?
Great Olga, very interesting finding!