https://www.scielo.org.mx/scielo.php?script=sci_abstract&pid=S2007-11322015000400006&lng=es&nrm=iso
Pseudotsuga menziesii (Mirb.) Franco var. glauca (Beissn.)Franco: nuevo registro para Guanajuato
pseudotsuga menziesiinuevo registromirbfrancovar
https://www.woodlandtrust.org.uk/trees-woods-and-wildlife/british-trees/a-z-of-british-trees/douglas-fir
Douglas Fir (Pseudotsuga menziesii) - Woodland Trust
Discover the mighty Douglas fir. Find out where it grows, how it helps wildlife and how it is used. With identification tips and images.
douglas firpseudotsuga menziesiiwoodlandtrust
https://en.wikipedia.org/wiki/Pseudotsuga_menziesii_var._glauca
Pseudotsuga menziesii var. glauca - Wikipedia
pseudotsuga menziesiivarglaucawikipedia
https://www.rhs.org.uk/plants/79448/pseudotsuga-menziesii-julie/details
Pseudotsuga menziesii 'Julie' | /RHS
pseudotsuga menziesiijulierhs
https://www.wikidata.org/wiki/Q156687?uselang=ca
Pseudotsuga menziesii - Wikidata
pseudotsuga menziesiiwikidata
https://www.rhs.org.uk/plants/111135/pseudotsuga-menziesii-mckenzie/details
Pseudotsuga menziesii 'McKenzie' | /RHS
pseudotsuga menziesiimckenzierhs