Puccinia embergeriae sp. nov. on Chatham Islands sow thistle (Embergeria grandifolia) and a note on Miyagia pseudosphaeria on sow thistles (Sonchus spp.) in New Zealand

A new rust fungus, Puccinia embergeriae sp. nov., on Embergeria grandifolia (Sonchus grandifolia) from the Chatham Islands, New Zealand, is described. It is compared with other rust fungi known on Sonchus spp. A recent upsurge of Miyagia pseudosphaeria on Sonchus spp. in New Zealand is discussed, an...

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Bibliographic Details
Published in:New Zealand journal of botany 2004-09, Vol.42 (4), p.657-661
Main Authors: McKenzie, E. H. C., Johnston, P. R.
Format: Article
Language:English
Subjects:
Embergeria grandifolia
endangered rust fungus
Miyagia pseudosphaeria
Puccinia embergeriae
rust fungi
Sonchus
Uredinales
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Description
Summary:A new rust fungus, Puccinia embergeriae sp. nov., on Embergeria grandifolia (Sonchus grandifolia) from the Chatham Islands, New Zealand, is described. It is compared with other rust fungi known on Sonchus spp. A recent upsurge of Miyagia pseudosphaeria on Sonchus spp. in New Zealand is discussed, and attributed to the possible introduction of a new pathogenic race of the rust.
ISSN:0028-825X
1175-8643
DOI:10.1080/0028825X.2004.9512917