Lichens A-Pac (2007) - Flora of New Zealand Lichens - Revised Second Edition A-Pac
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Hypogymnia (Nyl.) Nyl.

HYPOGYMNIA (Nyl.) Nyl., 1896

Type : Hypogymnia physodes (L.) Nyl. [=Lichen physodes L.]

Description : Flora (1985: 189).

Key

1
Sorediate
2
Not sorediate
3
2
Lobes hollow
Lobes solid (at least near apices)
3
Lobes hollow
4
Lobes solid
7
4
Lobes deeply divided at margins or elongate, without extensive lateral contacts
5
Lobes contiguous throughout, with extensive lateral contacts
6
5
Central parts without lateral contacts; apothecia occasional
Central parts contiguous; apothecia abundant
6
Thallus corticolous; upper surface grey; often fertile
Thallus saxicolous; upper surface brown to blackened
7
Lobes mainly contiguous with extensive lateral contacts
Lobes dichotomously divided, without extensive lateral contacts

Hypogymnia, included in the family Parmeliaceae (Eriksson et al. 2004; Pennycook & Galloway 2004; Eriksson 2005), is a genus of c. 86 species worldwide (Bruce McCune, pers. comm.; Kirk et al. (2001) record only 45 species, which is too low an estimate), of which eight are recognised from New Zealand (Elix 1980, 1992). In recent years, Hypogymnia was most widely studied in Asia, western North America and Australia. For accounts of the genus in North America see Krog (1968), Ohlsson (1973), Pike & Hale (1982), Goward (1988), Goward & McCune (1993), Goward et al. (1994b) and McCune (2002). Asian (including China and Japan) populations are discussed by Nuno (1964), Awasthi (1984), Wei (1991), Yoshida & Kashiwadani (2001), McCune & Obermayer (2001) and McCune et al. (2003). Australian species are treated by Filson (1970); Elix (1980, 1992); Elix & Jenkins (1989) and Kantvilas et al. (2002).

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