Relationship between environmental parameters and Pinus sylvestris L. site index in forest plantations in northern Spain acidic plateau. iForest - Biogeosciences and Forestry 9: 394-401 (2016) .
Scots Pine and Austrian Pine ~ Nursery in Italy
Pinus nigra - Wikipedia
Pinus nigra (schwarzkiefer) description - The Gymnosperm Database
Soft focused young Pine buds. Pinus sylvestris, pinus nigra, branches of mountain pine. Pinus tree on a sunny day with the backlight of sun Stock Photo | Adobe Stock
Pin on Plants
Current distribution of Pinus nigra subsp. salzmanii with Pinus... | Download Scientific Diagram
Pinus sylvestris | The Michigan Nature Guy's Blog
Soft focused young Pine buds. Pinus sylvestris, pinus nigra, branches of mountain pine. Pinus tree on a sunny day with the backlight of sun Stock Photo - Alamy
Pinus species comparisons
em>Pinus nigra</em> Flower" by Julia Fitzpatrick-Cooper
Figure 2 from Resin yield of Pinus nigra and Pinus sylvestris in the Slovenian Karst | Semantic Scholar
Pinus nigra subsp. nigra | Austrian pine, Black pine - Van den Berk Nurseries
Pinus nigra | Landscape Plants | Oregon State University
Austrian pine Pinus nigra Arnold | Filters: Aut: Zelimir Borzan (University of Zagreb)
Pinus nigra subsp. nigra | Austrian pine, Black pine - Van den Berk Nurseries
Pinus sylvestris (Scots pine) description
Young Pine Buds in Spring. Pinus Sylvestris, Pinus Nigra, Mountain Pine Stock Photo - Image of blossom, cones: 219831784
Young Pine buds in spring. Pinus sylvestris, pinus nigra, mountain pine. Pinus tree on a sunny spring day Stock Photo - Alamy
Pinus nigra | Landscape Plants | Oregon State University
Pinus nigra (schwarzkiefer) description - The Gymnosperm Database
Pinus nigra subsp. nigra | Austrian pine, Black pine - Van den Berk Nurseries
