Observation 18874: Xanthomendoza weberi (S. Kondr. & Kärnefelt) L. Lindblom
When: 2009-02-25
Herbarium specimen reported

Notes: Location: 35°12’15.59"N, 85°55’13.48"W, el. 589 m. Central Campus.

Substrate: Growing on the bark of a large American Elm, Ulmus americana, mostly within 1 m of the ground and, in another part of town, on the bark of a large hackberry, Celtis occidentalis. Both trees are beside well-traveled village roads.

Habitat: Urban area in the central campus, beside principal roads through town.

Photos:
Central campus, 25 feb 2009: 37558-37567
Central campus, 26 feb 2009: 37652-37654, 38362-36368

Chemistry: cortex C-, K+ purple.

Note added on 08 Mar 2009: Thank you, Gary. Lindblom distinguishes between the western Xanthomendoza fulva and the southeastern Xanthomendoza weberi. Her figures 1 and 4 illustrate the differences. Under this arrangement, the Sewanee observations belong to Xanthomendoza weberi.

Reference:
Louise Lindblom, “Xanthomendoza galericulata, a new sorediate lichen species, with notes on similar species in North America,” The Bryologist 109(1):1-8. 2006.

Voucher specimens:
Tennessee, Franklin County, Sewanee, central campus, 21 Mar 2009, Chris Parrish 0028, det. Gary Perlmutter (NCU)
Tennessee, Franklin County, Sewanee, central campus, 19 Feb 2010, Chris Parrish 0053, det. James C. Lendemer (NY).

Common Name: sunburst lichen

Species Lists

Images

38369
growing on Hackberry, Celtis occidentalis, central campus, 26 feb 2009
37558
apothecia and thallus, 10x
37559
apothecia and thallus, 16x
37560
apothecia and thallus, 20x
37561
apothecium, 63x
37562
lobes, 40x
37563
lobes, 63x
37564
section thru thallus, 40x
37565
soredia, 50x
37566
soredia, 100x
37567
soredia on underside of squamule, 100x
37652
growing on American Elm, Ulmus americana, central campus, 26 feb 2009
37653
growing on American Elm, Ulmus americana, central campus, 26 feb 2009
37654
growing on American Elm, Ulmus americana, central campus, 26 feb 2009
38362
growing on Hackberry, Celtis occidentalis, central campus, 26 feb 2009
38363
growing on Hackberry, Celtis occidentalis, central campus, 26 feb 2009
38364
growing on Hackberry, Celtis occidentalis, central campus, 26 feb 2009
38365
growing on Hackberry, Celtis occidentalis, central campus, 26 feb 2009
38366
growing on Hackberry, Celtis occidentalis, central campus, 26 feb 2009
38367
growing on Hackberry, Celtis occidentalis, central campus, 26 feb 2009
38368
growing on Hackberry, Celtis occidentalis, central campus, 26 feb 2009

Proposed Names

-28% (1)
Used references: Brodo, Sharnoff, and Sharnoff, pp. 745
Based on chemical features: cortex C-, K+ purple

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

Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

Add Comment
Xanthomendoza source
By: Gary Perlmutter (gbperlmutter)
2009-03-06 09:03:54 WIB (+0700)

I suggest keying this using the recent article “Xanthomendoza galericulata, a new sorediate lichen species, with notes on similar species in North America” by Lindblom (The Bryologist 109(1): 1-8 (2006).

Created: 2009-02-26 11:18:42 WIB (+0700)
Last modified: 2011-04-17 07:07:45 WIB (+0700)
Viewed: 278 times, last viewed: 2016-10-24 11:23:57 WIB (+0700)
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