Observation 18323: Parmotrema perforatum (Jacq.) A. Massal.
When: 2009-01-25
No herbarium specimen

Notes: Locations:
35°12’36.32"N, 85°55’53.79"W, el. 574 m. Lake Cheston.
35°12’15.59"N, 85°55’13.48"W, el. 589 m. Central campus.

Substrate and habitat: Growing within 1 m of the ground on a tree trunk on a park-like grassy slope beside a small lake (in situ photos, Lake Cheston). Growing on ornamental shrub branches and twigs and on fallen fragments of tree branches, twigs, and bark brought down by recent high winds and rain (close-up photos, central campus).

Characterization: ruffle lichen with
(1) prominent apothecia with perforated cup-like disks
(2) white maculae on thallus surface
(3) lobe margins irregular, with conspicuous black pycnidia
(4) undersurface with white patches near the margins

Photos:
Lake Cheston, 25 jan 2009: 36204, 36208, 36242
Central campus, 14 feb 2009: 36246-36247, 36250-36251, 36254-36255, 36257-36258, 36261

References:
Sharnoff’s Parmotrema perforatum gallery
CNALH images, description, and locality map, and a larger, interactive locality map.

Common name: perforated ruffle lichen

Species Lists

Images

36204
36208
36242
36246
cups, 16x
36247
cups, 20x
36250
cups, 25x
36251
pycnidia, 32x
36254
pycnidia, 115x
36255
ridges on underside of thallus, 32x
36257
ridges on underside of thallus, 40x
36258
setae, upper side of lobe, 32x
36261
setae, underside of lobe, 40x

Proposed Names

46% (2)
Eye3 Eyes3
Used references: Brodo, Sharnoff, and Sharnoff, pp.498-499.

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

Eye3 = Observer’s choice
Eyes3 = Current consensus

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Created: 2009-02-14 16:14:58 JST (+0900)
Last modified: 2009-02-14 16:14:58 JST (+0900)
Viewed: 186 times, last viewed: 2016-10-22 07:19:25 JST (+0900)