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shaped soralia, the perforated upper surface, and by the
chemistry.
Ecology and distribution:
Reported from Chiang
Mai, Doi Inthanon National Park by WOLSELEY &
AGUIRRE-HUDSON (1997). A widespread species of a
genus with the highest diversity in the Southern Hemisphere,
also occurring in Europe; in Asia reported from China, India,
Malaysia, and Taiwan.
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Soralia not ring-shaped. Medulla KC+ red
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Soralia laminal
Hypogymnia pseudobitteriana (D.D. Awasthi) D.D. Awasthi
Hypogymnia pseudobitteriana
(D.D. Awasthi) D.D.
Awasthi, Geophytology 1: 101 [1971(72)].
Description:
Thallus suberect, lobes inflated, hollow, 1–2
mm wide; upper surface grey, laminal soredia present; lower
surface black, pale brown towards margins, wrinkled, without
rhizines. Cortex K+ yellow; atranorin. Medulla K–, C–, KC+
reddish; physodic and hydroxyphysodic acids. Distinguished
by its inflated, hollow lobes with laminal soredia.
Ecology
and distribution:
Corticolous on twigs and branches of
montane evergreen forests at 1600 m in Chiang Mai
Province, Doi Suthep National Park. Also reported from
India, Taiwan, Papua New Guinea and Australia (AWASTHI
2007).
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Soralia lip-shaped
Hypogymnia vittata (Ach.) Parrique
Hypogymnia vittata
(Ach.) Parrique, Bull. Soc. linn.
Bordeaux 53: 66 (1898)
Syn.:
Parmelia physodes
v.
vittata
Ach., Meth. Lich.: 250,
(1803).
Description:
Thallus loosely attached; lobes inflated,
hollow, 2–3 mm wide; upper surface grey, with lip-shaped
soralia; lower surface black, wrinkled, without rhizines.
Cortex K+ yellow; atranorin. Medulla K–, C–, KC+ reddish,
P-, UV+ pale violet-blue; physodic, hydroxyphysodic and
vittatolic acids. Distinguished by the inflated, hollow lobes
with lip-shaped soralia.
Ecology and distribution:
Reported
from Chiang Mai, Doi Inthanon National Park by
WOLSELEY & AGUIRRE-HUDSON (1997). A widespread
species, circumboreal, also reported from China, India,
Malaysia, Nepal, and Taiwan.
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Medulla yellow to ochraceous yellow at least in the
upper or lower part
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Medulla white throughout
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Lobes 0.5-2 mm wide
Myelochroa aurulenta (Tuck.) Elix & Hale
Myelochroa aurulenta
(Tuck.) Elix & Hale, Mycotaxon 29:
240 (1987).
Syn.:
Parmelia aurulenta
Tuck., Am. J. Science & Arts, ser.
2, 25: 424 (1858).
Description:
Thallus 4–10 cm wide,
adnate, lobes 0.5–2 mm wide, sublinear; upper surface
greenish grey, pustulate–sorediate; medulla yellow beneath
soralia and cracks in upper cortex; lower surface black,
densely rhizinate, rhizines simple or sparsely branched.
Cortex K+ yellow; atranorin. Medulla more intensely yellow
with spot tests; secalonic acid A, eumitrins F, D & I, zeorin
& leucotylic acid. Readily distinguishable by the yellow
medulla below soredia.
Ecology and distribution:
Only
found in an evergreen forest at 1350 m in Chiang Mai
Province, Doi Suthep National Park. A pantemperate to