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| Phragmidium | |
|---|---|
| |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Fungi |
| Division: | Basidiomycota |
| Class: | Pucciniomycetes |
| Order: | Pucciniales |
| Family: | Phragmidiaceae |
| Genus: | Phragmidium Link (1815) |
| Type species | |
| Phragmidium mucronatum | |
| Synonyms[1] | |
|
Ameris Arthur (1906) | |
Phragmidium is a genus of rust fungus that typically infects plant species in the family Rosaceae. It is characterised by having stalked teliospores borne on telia each having a row of four or more cells. All species have a caeoma which is a diffuse aecidium lacking a peridium.[2]
There are a number of species of Phragmidium, most of which are restricted to one or a few host species. Examples include:
- Phragmidium acuminatum on Rubus saxatile
- Phragmidium bulbosum on Rubus fruticosus and Rubeus caesius
- Phragmidium mucronatum
- Phragmidium sterilis on Potentilla sterilis
- Phragmidium potentillae on Potentilla anglica
- Phragmidium rosae-pimpinellifoliae
- Phragmidium rubi-idaei on raspberry
- Phragmidium tuberculatum on some rose cultivars
- Phragmidium violaceum on cultivated blackberry and loganberry
Possibly the most commonly encountered is P. mucronatum, found on most species of wild roses including Rosa canina and Rosa arvensis.[3]
- ^ Cite error: The named reference
urlMycoBank: Phragmidiumwas invoked but never defined (see the help page). - ^ Fungi. Lilian E Hawker, 1966, Hutchinson University Library
- ^ Henderson, Douglas M. (2001). A Checklist of Rust Fungi of the British Isles. British Mycological Society. ISBN 978-0-9527704-4-2.[page needed]