Nephromopsis laxa (Zahlbr.) M. Sato
Nomenclatural data
J. Jap. Bot. 66: 156, 1991.
Nephromopsis ciliaris (Ach.) Hue var. laxa Zahlbr., Fedde, Repert. 33: 61, 1933. –  Cetraria laxa (Zahlbr.) Sato, Parmeliales I, in Nakai & Honda, Nova Flora Japonica 5: 51, 1939. – Tuckneraria laxa (Zahlbr.) Randlane & A. Thell, Acta Bot. Fennica 150: 149, 1994. – Cetraria daibuensis Räsänen, J. Jap. Bot. 16: 85, 1940. – Nephromopsis daibuensis (Räsänen) Räsänen, Kuopion Luonnon Yst. Yhd. Julk. B 2(6): 47, 1952.
Morphology
Thallus pale yellow on both surfaces, lobes elongate and narrow (up to 2 mm broad) withabundant marginal cilia, yellowish-brown or darker brown to black at the tips. Pseudocyphellae on lower cortex in the form of tiny, white, plain spots. Rhizines scattered, simple or ocassionally branched.
Apothecia very rare, marginal, with a brown rounded disc; ascospores subglobose, 5 x 4 µm; asci clavate, 40–45 x 12–13 µm; axial body 3 µm. Pycnidia marginal, on ± emergent projections. Pycnoconidia not seen.
Chemistry
Usnic acid in the cortex; lichesterinic- and protolichesterinic-type fatty acids in the medulla. Medulla K–, C–, KC–, Pd–.
Remarks
Ecology and distribution
Epiphytic. Endemic to Taiwan.
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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