Observation 104716: Boletus vermiculosus Peck
When: 2012-08-11
Herbarium specimen reported
0 Sequences

Pore surface is too young to be clear what color it will be, but there was a red tone to it.

Proposed Names

37% (2)
Recognized by sight: Pored with typical boletus stature; blue staining
61% (2)
Used references: Smith, Smith & Weber, p. 167.

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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In Smith, Smith & Weber
By: Daniel B. Wheeler (Tuberale)
2012-08-11 08:17:28 MST (-0700)

B. vermiculosoides is “…bright yellow young, becoming snuff brown to bister; context bright yellow, dingier in age, margin at times lobes; tubes about 1 cm deep, pallid olivaceous, pores minute (2-3 per mm), dark sepia to amber brown; stipe 4-9 cm long, 1-2 cm thick, surface olivaceous-pallid to yellowish, dingy brown around base from handling; pileus cuticle of interwoven hyphae 2.5-5 microns wide, cell content orange-brown or darker in Melzer’s; spores 9-12 × 3.35 microns.”

B. vermiculosus OTOH has “…tubes greenish yellow, pores reddish brown, minute, redaily staining bluish black; stipe 4-8 (9) cm long, 1-2 cm thick, yellow with a covering of brown pruina, context gradually becoming rose red; spores 10-13.5 × 4-5 microns; cuticle of pileus a trichodermium with hyphae (3-6 microns wide, end cells tubular.
Gregarious in woods and open places, New York to Michigan.”

Blue staining?
By: Daniel B. Wheeler (Tuberale)
2012-08-11 08:08:24 MST (-0700)

Looks green or greenish-aqua to me, Nathan. Did it start blue and turn color?

Created: 2012-08-11 06:33:13 MST (-0700)
Last modified: 2016-04-22 17:21:35 MST (-0700)
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