BioImages: The Virtual Field-Guide (UK)
Tsuga heterophylla (Raf.) Sarg. (Western Hemlock)
Sets of Photographs
These relate to individual finds ("biological records") of the organism.
Tsuga heterophylla may be covered by literature listed under:
BioInfo (www.bioinfo.org.uk) has 2 feeding and other relationships of Tsuga heterophylla (Western Hemlock)