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External morphology of Vietnamese lichen specimens (Scale bars = 1 cm). A. Heterodermia obscurata VN120185 (KoLRI); B. Hypotrachyna flavida VN120120 (KoLRI); C. Leptogium ulvaceum VN120170 (KoLRI); D. Parmeliella brisbanensis VN120046 (KoLRI); E. Parmotrema sancti-angelii VN120288 (KoLRI); F. Physma byrsaeum VN120107 (KoLRI); G. Sticta marginifera VN120053 (KoLRI).
Source publication
Seven new records of foliose lichens are reported from Chu Yang Sin National Park of Dak Lak province in Vietnam. Morphological, anatomical and chemical characteristics are described for Heterodermia obscurata, Hypotrachyna flavida, Leptogium ulvaceum, Parmotrema sancti- angelii, Parmeliella brisbanensis, Physma byrsaeum, and Sticta marginifera.
Contexts in source publication
Context 1
... obscurata (Nyl.) Trevis., Nuovo Gior. Bot. Ital. 1: 114 (1869) Fig. 1a Thallus foliose, suborbicular, adnate, 2-6 cm across; lobes narrow, up to 1-2 mm wide, flat; upper surface whitish gray, shiny, epruinose, sorediate; soredia granular, labriform to capitate on lateral and terminal lobes; lower cortex absent; lower surface (medulla) felted with yellowish-brown pigment, K+ purple, marginally rhizinate; ...
Context 2
... flavida (Zahlbr.) Hale, Smithson. Contr. Bot. 25: 37 (1975) Fig. 1b Thallus adnate to loosely attached, coriaceous, green, 4-6 cm across; lobes sublinear, separate, 2-4 mm wide, margins eciliate; upper surface greenish grey, emaculate, plane to convex, continuous or irregularly cracked on older lobes; medulla white; lower surface moderately rhizinate; rhizines long, sparsely dichotomously branched, ...
Context 3
... ulvaceum (Pers.) Vain., Ann. Acad. Sci. Fenn., Ser. A, 15(6): 38 (1921) Fig. 1c Thallus foliose, loosely adnate, 4-8 cm across, bluish gray; lobes rotund, 2-8 mm wide, homiomerous, margins entire, surface smooth to somewhat rough; isidia, phyllidia absent; lower surface smooth, etomentose, pale bluish with sparse tufted rhizines; apothecia laminal, shortly pedicellate, 0.5-2 mm diam., disc flat to concave, red ...
Context 4
... byrsaeum (Ach.) Tuck., Syn. N. Amer. Lich. 1: 115 (1882) Fig. 1f Thallus foliose, rosulate, adnate, 6-8 cm across, 200-350 µm thick; lobes radiating, oblong 1-5 mm wide; margins entire, thickened, re-curved at the lobes end; upper surface ridged, somewhat wrinkled, brownish black, lacking isidia; cortex thin, photobiont Nostoc; lower surface pale brown, rhizinate; rhizines of interwoven hyphae ...
Context 5
... marginifera Mont., Annls Sci. Nat., Bot., Sér. 2 18: 265 (1842) Fig. 1g Thallus palmate to irregularly branched in clumps, 1-2 cm across, arising from a rooted holdfast; lobes flabellate to irregularly dichotomously branching, 1-3 mm wide, proliferating round to oblong lobules attached to primary lobes by thin terete stalks; margins entire or irregularly notched, thickened below; upper surface grayish ...
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