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Nephromopsis nephromoides (Nyl.) Ahti & Randlane |
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Nomenclatural data
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Cryptog. Bryol. Lichénol. 19: 183, 1998. – Platysma nephromoides Nyl., Flora 52: 442, 443, 1869. – Type: India, West Bengal, Darjeeling distr., Tongloo, alt. 10 000 ft., Hooker fil. & T. Thomson 2080 (H-NYL 36 068! – lectotype, B!, PC!, UPS! – isolectotypes). – Nephromopsis stracheyi var. nephromoides (Nyl.) Räsänen, Kuopion Luonnon Ystäväin Yhdistyksen Julkaisuja, B, 2, 6: 48, 1952. – Cetraria nephromoides (Nyl.) D. D. Awasthi, Bull. Bot. Surv. India 24: 11, 1982. – Nephromopsis stracheyi f. ectocarpisma Hue, Nouv. Arch. Mus. Hist. Nat., Sér. 4, 1: 218, 1899. – Types: Japan, insula Yeso [Hokkaido], in sylvis Mombetsu, 1891, U. J. Faurie 3521 (PC! – lectotype); Japan, Onikobe prope Sendai, 1897, U. J. Faurie 284 (BM! – paratype). – Nephromopsis ectocarpisma (Hue) Gyeln., Ann. Cryptog. Exot. 4: 173, 1931.
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Morphology
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Description see Randlane & Saag. (1998).
Typical characters. Thallus dorsiventral, smooth or slightly wrinkled, upper surface greenish yellow, lower surface pale brown. Lobes rather wide (8–15 mm). Pseudocyphellae medium to large, flat or concave, developed directly on the lower surface. Apothecia marginal, numerous, rather small (up to 8 mm in diameter).
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Chemistry
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Contains usnic acid in the cortex; lichesterinic, protolichesterinic and additionally some other fatty acids, e.g. caperatic acid (±) in the medulla.
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Remarks
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This species may be confused with Nephromopsis laii. For distinguishing characters see discussion under that species. N. nephromoides has previously been treated as an infraspecific taxon of N. stracheyi. Although the general habit of the thallus and the character of pseudocyphellae on the lower surface of these two species are rather similar, the differences are still distinct – the apothecia of N. stracheyi are usually much larger (up to 20 mm in diameter), and the medulla is C + red.
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Ecology and distribution
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This species may be confused with Nephromopsis laii. For distinguishing characters see discussion under that species. N. nephromoides has previously been treated as an infraspecific taxon of N. stracheyi. Although the general habit of the thallus and the character of pseudocyphellae on the lower surface of these two species are rather similar, the differences are still distinct – the apothecia of N. stracheyi are usually much larger (up to 20 mm in diameter), and the medulla is C + red.
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Literature
Randlane, T. & Saag, A. 1992. | Randlane, T. & Saag, A. 1998. |Randlane, T. & Saag, A. 2004. | Randlane, T., Saag, A. & Obermayer, W. 2001. | Randlane, T., Saag, A., Thell, A. & Kärnefelt, I. 1994. | Randlane, T., Thell, A., & Saag, A. 1995. | Thell, A., Randlane, T., Saag, A. & Kärnefelt, I. 2005.
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