Observation 151165: Terana caerulea (Schrad. ex Lam.) Kuntze

Code: Bot_765/2013_DSC8950

Habitat: Young mixed forest, Picea abies, Fagus sylvatica, Fraxinus ornus, Prunus avium, Corylus avellana, former pasture; almost flat terrain, calcareous ground, in shade, humid place, partly protected from direct rain by tree canopies, average precipitations ~ 3.000 mm/year, average temperature 7-9 deg C, elevation 600 m (2.000feet), alpine phytogeographical region.

Substratum: underside of a dead branch of Fagus sylvatica laying on ground; growing on bark, on the inner side of almost fallen off bark as well as directly on debarked wood.

Place: Lower Trenta valley, east of cottage Trenta 2b, right bank of river Soča, East Julian Alps, Posočje, Slovenia EC

Comments: Terana caerulea (some sources write it T. coerulea?) is a fascinating fungus! Easy to recognize by its unmistakably iridescent and saturated bluish color. Growing in several patches along 50 cm length of the branch. Patches up to 4 cm wide. Flesh rubbery, quite strong and firmly attached to the substrate. SP very faint, whitish?, accurate color undistinguishable.

Nikon D700/Nikkor Micro 105mm/f2.8

Proposed Names

85% (1)
Eye3 Eyes3
Recognized by sight
Used references: (1) A. Bernicchia, S.P. Gorjon, Cortitiaceaes, Fungi Europaei Vol.12., Edizioni Candusso (2010), pp 650.
(2) S. Buczacki, Collins Fungi Guide, Collins (2012), p 530.
(3) M. Bon, Parey’s Buch der Pilze, Kosmos (2005), p 322.
(4) G.J. Krieglsteiner (Hrsg.), Die Grosspilze Baden-Württembergs, Band 1, Ulmer (2000), p 342.
Based on microscopic features: Spores smooth. Dimensions: 8.6 (SD= 0.6) x 5.1 (SD= 0.3) μ, Q= 1.68 (SD= 0.09), n= 30. Olympus CH20, NEA 100x/1.25, magnification 1.000 x, oil, in water. AmScope MA500 digital camera.

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Created: 2013-11-04 13:53:08 CST (-0500)
Last modified: 2013-11-04 13:53:16 CST (-0500)
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