Observation 209036: Boletus rubellus group
When: 2015-07-05
No herbarium specimen

Notes: Fruiting gregariously in grass under Oak. Largest cap: 4.5 cm., stem: 4.5 cm. tall and 5 mm. wide, sightly larger at apex. Stem is bright yellow at apex and shades to reddish-brown below, darkening with handling and age. Younger specimens have cardinal red caps which fade with maturity. Mature caps are yellowish at the margin and aerolate. Slight pleasant fragrance. Pore surface and flesh quickly bruise blue-green. Basal mycelium is yellow. KOH instantly bright yellow on cap. Olive-brown spore print.

Images

535485
IMG_9960.JPG
Copyright © 2015 Judi Thomas
535486
IMG_9962.JPG
Copyright © 2015 Judi Thomas
Mature cap color
535487
IMG_9963.JPG
Copyright © 2015 Judi Thomas
535488
IMG_9972.JPG
Copyright © 2015 Judi Thomas
535489
IMG_9981.JPG
Copyright © 2015 Judi Thomas
Yellow basal mycelium
535490
IMG_9977.JPG
Copyright © 2015 Judi Thomas
KOH on cap
535491
IMG_9994.JPG
Copyright © 2015 Judi Thomas
Olive-brown spore print

Proposed Names

28% (1)
Eye3 Eyes3
Used references: Arora’s MD, Kuo’s “Mushrooms of the Midwest”, Phillips’ “Mushrooms and Other Fungi of North America”

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

Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

Add Comment
No one has commented yet.

Created: 2015-07-05 23:46:38 EDT (-0400)
Last modified: 2015-07-05 23:46:42 EDT (-0400)
Viewed: 19 times, last viewed: 2016-09-03 09:45:35 EDT (-0400)
Show Log