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Lichens (1985) - Flora of New Zealand Lichens
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Teloschistes Norman

TELOSCHISTES Norman, 1853

Thallus fruticose or subfruticose, flattened and dorsiventral to terete and ± richly branching, often with marginal fibrils or cilia. Upper surface yellow- orange (containing parietin, K+ purple), often sorediate, without isidia, maculae or pseudocyphellae. Photobiont green, Trebouxia. Apothecia sessile or stalked, lecamorine, disc yellow or orange. Ascospores colourless, oblong-ellipsoid, polaribilocular, 8 per ascus. Pycnidia in small warts.

Key

1
Branches narrow, terete to angled or flat, richly branched
flavicans
Branches distinctly flattened, not extensively branched
2
2
Thallus sorediate
3
Thallus without soredia
4
3
Mature lobes hooded, sail-like, farinose-sorediate on lower surface of lobe ends
velifer
Lobes granular-sorediate at margins and apices
fasciculatus
4
Thallus to 5 mm tall, lobes rarely to 1 mm wide
sieberianus
Thallus to 20 mm tall, rigid, lobes 1 mm or more wide
5
5
Margins of lobes and apothecia ciliate
chrysophthalmus
Margins of lobes and apothecia not ciliate
xanthorioides

Teloschistes is a cosmopolitan genus of c. 20 species included in the family Teloschistaceae. Six species are known in New Zealand. Australasian species in the genus are discussed by Murray [ T.R.S.N.Z. (Bot.) 88: 203-209 (1960)], Filson [ Muelleria 2: 65-115 (1969)] and Filson and Rogers ["Lichens of South Australia", pp. 161-163 (1979)].

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