Observation 178006: Russula densifolia Gillet

When: 2014-09-12

Collection location: Franklin Parker Preserve, Chatsworth, New Jersey, USA [Click for map]

39.8138° -74.5477°

Who: I. G. Safonov (IGSafonov)

No specimen available

Notes:
> Collected at the North Gate entrance to FPP.
> A single specimen growing under pitch pines on the edge of a sandy parking lot.
> Cap = 11 cm in diameter
> Stipe = 4 cm long
> Hot/acrid flesh staining red and then blackish-brown.
> In agreement with Kibby/Fatto code FHKMPSV

Microscopy:
Amyloid in Melzer’s;
[20/1/1]: L x W = 7.4-9.1 (-9.3) x (5.3-) 5.6-6.7 (-7.2) μm;
L’ x W’ = 8.3 × 6.1 μm’
Q’ = 1.35; broadly ellipsoid to ellipsoid;
Prominences up to 0.5 μm tall; well-developed partial to almost complete reticulum

Images

455017
455018
474178
Mounted in Melzer’s and viewed at x1000; 1 div = 0.465 μm
474179
Mounted in Melzer’s and viewed at x1000; 1 div = 0.465 μm

Proposed Names

46% (2)
Recognized by sight
Used references: Keys to the Species of Russula in Northeastern North America by Kibby/Fatto
74% (3)
Eye3 Eyes3
Recognized by sight

Please login to propose your own names and vote on existing names.

Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

Add Comment
Spores: measurements and pix posted
By: I. G. Safonov (IGSafonov)
2014-10-26 05:18:36 CET (+0100)
Terri, Dave and Martin,
By: I. G. Safonov (IGSafonov)
2014-09-15 05:36:28 CEST (+0200)

Thanks for your interest in the Russula key. I will look into procuring it for you and another MO member and let you know soon.

I’d also like…
By: Dave W (Dave W)
2014-09-15 04:25:55 CEST (+0200)

a copy.

Hi Igor,
By: Terri Clements/Donna Fulton (pinonbistro)
2014-09-15 04:15:29 CEST (+0200)

I’d be interested too.

Terri

Yes
By: Martin Livezey (MLivezey)
2014-09-14 15:25:57 CEST (+0200)

I know any key to Russula is likely to leave the user wanting, but without it, I got nuttin’!

Russula Key
By: I. G. Safonov (IGSafonov)
2014-09-14 07:08:35 CEST (+0200)

Ray Fatto was a member of NJMA. The club got permission to print and sell copies after his death some 10 years ago. Interested? It’s not that expensive.

Hi IG
By: Martin Livezey (MLivezey)
2014-09-14 01:36:27 CEST (+0200)

Where did you get the key to Russula?

Created: 2014-09-13 08:21:41 CEST (+0200)
Last modified: 2014-10-26 05:14:56 CET (+0100)
Viewed: 72 times, last viewed: 2018-03-18 18:13:53 CET (+0100)
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