BioImages: The Virtual Field-Guide (UK)
Polemonium caeruleum L. (Jacob’S-ladder, Jacob's-ladder)
Sets of Photographs
These relate to individual finds ("biological records") of the organism.
Polemonium caeruleum may be covered by literature listed under:
BioInfo (www.bioinfo.org.uk) has 5 feeding and other relationships of Polemonium caeruleum (Jacob’S-ladder, Jacob's-ladder)