BioImages: The Virtual Field-Guide (UK)
Cirsium heterophyllum (L.) Hill (Melancholy Thistle)
Sets of Photographs
These relate to individual finds ("biological records") of the organism.
Cirsium heterophyllum may be covered by literature listed under:
BioInfo (www.bioinfo.org.uk) has 12 feeding and other relationships of Cirsium heterophyllum (Melancholy Thistle)