Pseudotsuga menziesii var. glauca

Pinaceae Pseudotsuga menziesii var. glauca (Beissn.) Franco

Etymology
Pseudotsuga refers to ‘almost Tsuga’; indicating a similarity to Tsuga species.
menziesii refers to the Scottish botanist A. Menzies.
glauca refers to ‘bluish’; indicating its needles can be quite glaucous.

Colloquial Name
Rocky Mountain Douglas-fir

Subordinate Taxa
There exist 2 subordinate taxa for Pseudotsuga menziesii:

Distribution

This map shows botanical records (points) for this taxon. By opening the map’s sidebar (collapsed by default) you can toggle visibility or change the basemap. By clicking on records, you reveal more information.

TDWG Codes
7, 71, ABT, BRC, 73, COL, IDA, MNT, ORE, WAS, WYO, 76, ARI, NEV, UTA, 77, NWM, TEX, 79, MXC, MXC-PU, MXE, MXE-CO, MXE-CU, MXE-DU, MXE-HI, MXE-NL, MXE-SL, MXE-ZA, MXN, MXN-SO

Habitat
The natural habitats for Pseudotsuga menziesii var. glauca are unknown. The natural elevation is unknown. There are no conifers associated with Pseudotsuga menziesii var. glauca that are known of.

USDA Hardiness zone – 7
Pseudotsuga menziesii var. glauca 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 menziesii var. glauca is unknown. There are no known threats for Pseudotsuga menziesii var. glauca.

IUCN Category – LC
According to the IUCN Red List, Pseudotsuga menziesii var. glauca has been assigned the status of LC(Least Concern). This means that according to the Red List criteria, this species is not qualified as threatened.

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

Pseudotsuga menziesii var. glauca is further placed under Laricoideae. Pseudotsuga menziesii var. glauca is also placed under Pinaceae.