Fig. 1 Pinus maritima (Pin maritime). Fig. 2. Pinus occidentalis (Pin occidental). Fig. 3 Pinus pinea (Pin pinier). (Maritime pine - Italian stone pine (edible nut pine)) (NYPL b14485031-1110121).tiff
The IUCN Red List of Threatened Species 2022.2
Taxonomy database of the U.S. National Center for Biotechnology Information
Global Biodiversity Information Facility
Open Tree of Life reference taxonomy version 3.2
Die natürlichen Pflanzenfamilien, 13. Band: Gymnospermae