Diferència entre revisions de la pàgina «Avet de Douglas»

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Recuperant 1 fonts i marcant-ne 0 com a no actives.) #IABot (v2.0.8
(Recuperant 3 fonts i marcant-ne 0 com a no actives.) #IABot (v2.0.8)
(Recuperant 1 fonts i marcant-ne 0 com a no actives.) #IABot (v2.0.8)
* [http://www.pinetum.org/cones/PScones.htm Arboretum de Villardebelle - cone photos]
* [http://www.fs.fed.us/database/feis/plants/tree/psemenm/all.html FEIS - Index of Species Information: ''Pseudotsuga menziesii'' var. ''menziesii'']
* C. Michael Hogan (2008) [http://globaltwitcher.auderis.se/artspec_information.asp?thingid=44736 ''Douglas-fir: Pseudotsuga menziesii'', globalTwitcher.com, ed. Nicklas Strõmberg] {{Webarchive|url=https://web.archive.org/web/20090604021155/http://globaltwitcher.auderis.se/artspec_information.asp?thingid=44736 |date=2009-06-04 }}
* [http://www.conifers.org/pi/Pseudotsuga_menziesii_menziesii.php Pseudotsuga menziesii]
* [http://www.humboldt.edu/redwoods/photos/dougfir.php Photo Tour: Douglas-fir, Pseudotsuga menziesii] {{Webarchive|url=https://web.archive.org/web/20091125231145/http://www.humboldt.edu/redwoods/photos/dougfir.php |date=2009-11-25 }} - Institute for Redwood Ecology, Humboldt State University
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