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Physconia grisea (Lam.) Poelt

Scientific name record
Names_Plants record source
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Physconia grisea (Lam.) Poelt, Nova Hedwigia 9: 30 (1965)
Physconia grisea (Lam.) Poelt

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Absent
New Zealand
Political Region
Material referred to the genus Physconia in Galloway (1985) is referrable to Phaeophyscia (Galloway 2007).

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Poelt
Lam.
(Lam.) Poelt
1965
30
ICN
species
Physconia grisea

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grisea

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Physconia grisea (Lam.) Poelt

Thallus irregular or orbicular, to 8 cm diam., ± closely attached, greyish to grey-brown with a whitish, usually maculate pruina which sometimes covers the whole upper surface but is more usually restricted to lobe tips, corticolous. Lobes mostly overlapping, radiating, to 3 mm broad, wider and concave at apices, isidiate. Isidia granular becoming sorediate, marginal or laminal, sometimes densely developed centrally. Lower surface whitish, centrally pale brownish. Rhizines simple, pale or brownish, becoming branched at tips. Apothecia rare, to 3 mm diam., margins sorediate. Ascospores 27-34 × 14-17 µm. Pycnidia immersed. Conidia 4-7 × 1-2 µm. Chemistry: Medulla K-, C-, KC-, Pd-. Four unidentified compounds.

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Physconia grisea (Lam.) Poelt
Physconia grisea (Lam.) Poelt

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Indigenous, non-endemic
Wild
New Zealand
Political Region

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Physconia grisea (Lam.) Poelt
New Zealand
Marlborough Land District

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ab952761-2288-4c14-a3dc-39c2119b7b89
scientific name
Names_Plants
1 January 2000
8 July 2019
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