Data sources

Each value Trefle shows for Pseudotsuga menziesii var. glauca, with what every source says about it. When sources disagree, the strongest source is shown (how sources are ranked). Values imported before sources were recorded one by one are marked Source not recorded.

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Sourced10 Differs from sources1 Source not recorded9 Not on the record6 Sources: TRY Plant Trait Database, Earlier Trefle data, POWO / WCVP (Kew)

Field	Shown	What the sources say
Core
Author	(Beissn.) Franco	(Beissn.) Franco · POWO / WCVP (Kew) · Reported · 2026-10-19	Sourced
Bibliography	Bol. Soc. Brot. sér. 2, 24:77. 1950	No source recorded	Source not recorded
Rank	var	No source recorded	Source not recorded
Status	accepted	No source recorded	Source not recorded
Year	1950	No source recorded	Source not recorded
Descriptive
Family common name	Pine family	No source recorded	Source not recorded
Observations	Rocky Mts. to C. Mexico	No source recorded	Source not recorded
Morphology
Average height	2585 cm	2585 cm · TRY Plant Trait Database · Measured · 49 observations · 2026-10-09 TRY 7.0 datasets 68, 92, 431, 500	Differs from sources
Flower color	yellow	yellow · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Flower conspicuous	false	No source recorded	Source not recorded
Foliage color	green	green · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Foliage texture	medium	medium · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Fruit color	brown	brown · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Fruit conspicuous	false	No source recorded	Source not recorded
Growth form	Single Stem	Single Stem · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Growth habit	Tree	Tree · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Growth rate	Moderate	Moderate · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Maximum height	empty	4800 cm · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 68, 92, 431, 500	Not on the record
Vegetable	false	No source recorded	Source not recorded
Phenology
Duration	empty	perennial · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Ecology
Ph maximum	pH 7.2	pH 7.2 · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Ph minimum	pH 5.9	pH 5.9 · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Cultivation
Minimum root depth	empty	66 cm · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Other
Human usage type	—	fuelwood, lumber, ornamental, other, timber · TRY Plant Trait Database · Reported · 1 observation · 2026-10-09 TRY 7.0 datasets 68, 92	Not on the record
Salt tolerance	—	None · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Shade tolerance	—	Intermediate · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record

Pseudotsuga menziesii var. glauca (Beissn.) Franco, 1950 31% complete

No common name

Data sources

Pseudotsuga menziesii var. glauca (Beissn.) Franco, 1950 31% complete

No common name

.fa-secondary{opacity:.4} Data sources

Data sources