Links for Pseudotsuga menziesii, Douglas fir
Databases
Search for Pseudotsuga menziesii in the Global Biodiversity Information Facility (GBIF).
Search for Pseudotsuga menziesii in the Encyclopedia of Life (EOL).
Search for known associations between Pseudotsuga menziesii and plants in the Plant-SyNZ database.
Search for Pseudotsuga menziesii in the Species 2000 & ITIS Catalogue of Life.
Taxonomy
Check the taxonomy of Pseudotsuga menziesii in the Universal Biological Indexer and Organizer (uBio).
Scientific literature
Search the internet for scholarly articles about Pseudotsuga menziesii using Google Scholar.
Images
Search for images of Pseudotsuga menziesii on the internet using Google Images.