Pseudotsuga japonica

Pinaceae Pseudotsuga japonica (Shiras.) Beissn.

Etymology
Pseudotsuga refers to ‘almost Tsuga’; indicating a similarity to Tsuga species.
japonica refers to Japan; indicating its habitat.

Colloquial Name
Japanese Douglas-fir

Distribution

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TDWG Codes
3, 38, JAP, JAP-HN, JAP-SH

Habitat
The natural habitats for Pseudotsuga japonica are temperate forests. The natural elevation is unknown. There are no conifers associated with Pseudotsuga japonica that are known of.

USDA Hardiness zone – 7
Pseudotsuga japonica is hardy to USDA Zone 7 (Bannister & Neuner, 2001), meaning its frost tolerance lies somewhere in the range of -17.8C (0F) to -12.2C (10F).

Species Continuity
The population trend for Pseudotsuga japonica is decreasing. There are ongoing threats for Pseudotsuga japonica and they are listed as follows:

• 1 Habitat Loss & Degradation
  • 1.1 Agriculture & Forestry
• 2 Overexploitation & Resource Use
  • 2.1 Logging & Wood Harvesting

IUCN Category – EN
According to the IUCN Red List, Pseudotsuga japonica has been assigned the status of EN(Endangered). This means that according to the Red List criteria, this species qualifies as Endangered and is very much at risk.

Superordinate Taxa
The nearest superordinate taxon for Pseudotsuga japonica is Pseudotsuga. The coordinate taxa for Pseudotsuga japonica are therefore:

Pseudotsuga japonica is further placed under Laricoideae. Pseudotsuga japonica is also placed under Pinaceae.