Observation 209628: Biannulariaceae Jülich

When: 2015-07-11

Collection location: Lone Star Boat Ramp and Park, Morris Co., Texas, USA [Click for map]

Who: L G Price (LG_Price)

No specimen available

growing inside the rotted interior of a pine log. The largest cap is about 1 inch (2.5 cm). Scale is in cm. Light orange-brown color. Dark at edge.

Gills – lighter version of the cap color. Crowded, many intermediate length short gills. Gills were attached but have broken free at maturity.

Stems were hollow, fibrous, broke easily.

Smell – couldn’t tell.

Spore Print – in progress.


1000x – Spore in 5% KOH – center one measured

Proposed Names

-9% (3)
Recognized by sight
28% (1)
Recognized by sight
31% (3)
Recognized by sight: spore did not turn color in KOH, also no apiculus
28% (1)
Recognized by sight
46% (2)
Recognized by sight
28% (1)
Recognized by sight

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

Eye3 = Observer’s choice
Eyes3 = Current consensus


Add Comment
koh on cap
By: L G Price (LG_Price)
2015-07-12 23:17:35 EDT (-0400)

I didn’t try to stain it. I need to get better about trying chemical tests.

KOH doesn’t stain the cap either?
By: Jacob Kalichman (Pulk)
2015-07-12 23:10:10 EDT (-0400)
re: could be aged
By: L G Price (LG_Price)
2015-07-12 21:41:11 EDT (-0400)

ok, thanks. Will think about it. Everything is drying up. I had a hard time finding much. I thought at the time that the group looked like it was moving toward spent, even the immature caps.

They still could be aged
By: Ron Pastorino (Ronpast)
2015-07-12 19:36:13 EDT (-0400)

Callistosporium luteo-olivaceum. See http://mushroomobserver.org/99518 and comments.

Lentinellus spores have warts
By: L G Price (LG_Price)
2015-07-12 18:50:36 EDT (-0400)

Not Lentinellus

Neolentinus has binucleate spores
By: L G Price (LG_Price)
2015-07-12 18:46:37 EDT (-0400)

According to

Postmeiotic Nuclear Behavior in Lentinus, Panus, and Neolentinus
David S. Hibbett; Shigeyuki Murakami; Akihiko Tsuneda

Neolentinus has binucleate spores

Spore image added
By: L G Price (LG_Price)
2015-07-12 18:34:16 EDT (-0400)

The spore deposit with very light. I got one photo and measured one spore –
5.3 micron X 3.5 micron, Q= 1.5

Created: 2015-07-12 00:05:11 EDT (-0400)
Last modified: 2017-10-20 15:48:44 EDT (-0400)
Viewed: 115 times, last viewed: 2017-11-05 16:07:34 EST (-0500)
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