Nephromopsis pallescens var. citrina (Taylor) Thell & Randlane
Nomenclatural data
Bryologist 100: 110, 1997.
Basionym: Cetraria citrina Taylor, London J. Bot. 6: 176, 1847. Type: Java, Hooker (BM, lectotype!). Synonyms: Platysma citrinum (Taylor) Nyl., Mém. Soc. Sci. Nat. Cherbourg 5: 100, 1858 [1857]. - Cetrariopsis pallescens var. citrina (Taylor) Thell & Randlane, Crytog. Bryol. Lichénol. 16: 44, 1995.
Description and discussion in Randlane et al. (1995: 44).
Usnic acid in the cortex; lichesterinic, ptotolichesterinic acids (usually) or alectoronic acid (occasionally) in the medulla.
This southern variety (with its main distribution area in Java) is recognized by its smooth and uniformly light or bright yellow thallus on both surfaces as well as minute flat pseudocyphellae on the lower side.
Ecology and distribution
Indonesia (Java, West Irian) and Taiwan (* on fig.); corticolous in mountainous forests (alt. 1300–3000 m).
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.