BioImages: The Virtual Field-Guide (UK)
Onopordum acanthium L. (Cotton Thistle)
Records (and photo sets)
| Taxon | Summary | Date | Vice-county | Country |  |
|---|---|---|---|---|---|
| Onopordum acanthium | In flower | 15 July 2007 | Berks | England | 11 |
| Onopordum acanthium | Plant | 17 June 1978 | Surrey | England | 2 |
| Onopordum acanthium | Plant | 22 June 1971 | East Norfolk | England | 1 |
Suggested Literature
Onopordum acanthium may be covered by literature listed under:
Feeding and other inter-species relationships
Associated with Onopordum acanthium:
 |
(live) | live is parasitised by | Erysiphe depressa - Burdock Mildew (Erysiphales: Erysiphaceae) | 
|
Ing, B., 1990 |
| capitulum | capitulum may contain larva | Chaetostomella cylindrica - a gall fly (Diptera: Tephritidae) |
|
White, I.M., 1988 |
Onopordum acanthium may be associated with more taxa listed at higher taxonomic level
|
MAGNOLIOPSIDA (flowering plants) |
MAGNOLIIDAE (dicotyledonous flowering plants) |
ASTERACEAE (daisies, dandelions and thistles - formerly Compositae) |
References
| Ing, B., 1990 | An Introduction to British Powdery Mildews |
| White, I.M., 1988 | Tephritid Flies (Diptera: Tephritidae) |
