Observation 130478: Tuber gibbosum Harkn.

Species Lists

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DIC microscopy 1000x, 30 images stacked with CombineZP
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Copyright © 2013 raceme
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Copyright © 2013 raceme
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Copyright © 2013 raceme
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Comments

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In February,
By: Daniel B. Wheeler (Tuberale)
2015-12-02 13:11:06 MST (-0700)

most collections from Oregon will be Tuber gibbosum. The peridium should be whitish when imnmature, yellowish when mature. The spores will be similar. The earliest I know of Tuber gibbosum fruiting was in December at Vancouver, WA by Janet Lingren; the latest I believe I collected from July 4 at Paul Bishop’s Jones Creek Tree Farm. Tuber gibbosum is a larger (sporocarps can be over 1 lb.), have a darker gleba (coffee-au-lait or darker), and usuallly are found later than Tuber oregonense, which is a much earlier species.

Created: 2013-03-20 03:38:54 MST (-0700)
Last modified: 2015-12-04 00:12:34 MST (-0700)
Viewed: 246 times, last viewed: 2017-02-18 15:40:52 MST (-0700)
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