Data sources

Each value Trefle shows for Picea engelmannii, 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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Sourced7 Source not recorded16 Not on the record8 Sources: TRY Plant Trait Database

Field	Shown	What the sources say
Core
Author	Parry ex Engelm.	No source recorded	Source not recorded
Bibliography	Trans. Acad. Sci. St. Louis 2: 212 (1863)	No source recorded	Source not recorded
Phylum	Tracheophyta	No source recorded	Source not recorded
Rank	species	No source recorded	Source not recorded
Status	accepted	No source recorded	Source not recorded
Year	1863	No source recorded	Source not recorded
Descriptive
Common name	Mountain spruce	No source recorded	Source not recorded
Family common name	Pine family	No source recorded	Source not recorded
Observations	W. Canada to W. & WC. U.S.A., NE. Mexico	No source recorded	Source not recorded
Morphology
Average height	1360 cm	1360 cm · TRY Plant Trait Database · Measured · 205 observations · 2026-10-09 TRY 7.0 datasets 28, 68, 92, 241, 431, 742, 873, 918	Sourced
Biological type	phanerophyte	phanerophyte · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 918	Sourced
Flower color	empty	yellow · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Flower conspicuous	false	No source recorded	Source not recorded
Foliage color	empty	green · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Foliage texture	medium	medium · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Fruit color	empty	brown · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Fruit conspicuous	false	No source recorded	Source not recorded
Growth form	Single Stem	No source recorded	Source not recorded
Growth habit	Tree	No source recorded	Source not recorded
Growth rate	Slow	Slow · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Maximum height	4900 cm	4900 cm · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09 TRY 7.0 datasets 28, 68, 92, 241, 431, 742, 873, 918	Sourced
Vegetable	false	No source recorded	Source not recorded
Phenology
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 28, 92, 918	Sourced
Ecology
Nitrogen fixation	None	None · TRY Plant Trait Database · Measured · 37 observations · 2026-10-09 TRY 7.0 datasets 20, 57, 67, 89, 96, 130, 445, 822	Sourced
Ph maximum	pH 8	No source recorded	Source not recorded
Ph minimum	pH 6	No source recorded	Source not recorded
Cultivation
Minimum root depth	empty	51 cm · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Usda legacy
C n ratio	empty	59.2 · TRY Plant Trait Database · Measured · 8 observations · 2026-10-09 TRY 7.0 datasets 981	Not on the record
Other
Human usage type	—	fuelwood, lumber, naval_stores, nursery_stock, posts, pulpwood, veneer · TRY Plant Trait Database · Reported · 1 observation · 2026-10-09 TRY 7.0 datasets 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	—	Deep · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record

Picea engelmannii Parry ex Engelm., 1863 37% complete

Mountain spruce

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

Data sources