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Lichens (1985) - Flora of New Zealand Lichens
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Megaloblastenia Sipman

MEGALOBLASTENIA Sipman, 1983

As for Megalospora but with the following differences: Thallus without isidia or soredia. Hymenium 110-180 µm tall, without oil droplets and staining I+ blue. Ascospores 1-septate with thick septa and apical walls.

Key

1
Thallus yellow-grey, KC+ yellow, Pd- (usnic acid), apothecia black
flavidoatra
Thallus whitish-grey, KC-, Pd+ orange (pannarin), apothecia ± grey-pruinose
marginiflexa

Megaloblastenia is an austral genus of two species included in the family Megalosporaceae [Sipman Biblthca lich. 18: 87-93 (1983)]. Both are known from New Zealand, with one species being endemic.

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