Hábito:
https://www.biodiversidadvirtual.org/herbarium/Pinus-nigra-1-de-5-img535884.search.html
Detalle:
https://www.biodiversidadvirtual.org/herbarium/Pinus-nigra-5-de-5-img535888.search.html
Una rama:
https://www.biodiversidadvirtual.org/herbarium/Pinus-nigra-2-de-5-img535885.search.html
Aciculas:
https://www.biodiversidadvirtual.org/herbarium/Pinus-nigra-3-de-5-img535886.search.html