Data sources

Each value Trefle shows for Pinus contorta, 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.

Something wrong? Suggest a correction.

Sourced16 Differs from sources1 Source not recorded12 Not on the record8 Sources: TRY Plant Trait Database, Earlier Trefle data

Field	Shown	What the sources say
Core
Author	Douglas ex Loudon	No source recorded	Source not recorded
Bibliography	Arbor. Frutic. Brit. 4: 2292 (1838)	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	1838	No source recorded	Source not recorded
Descriptive
Common name	Lodgepole pine	No source recorded	Source not recorded
Family common name	Pine family	No source recorded	Source not recorded
Observations	Subarctic America to Mexico (N. Baja California)	No source recorded	Source not recorded
Morphology
Average height	1150 cm	1150 cm · TRY Plant Trait Database · Measured · 259 observations · 2026-10-09 TRY 7.0 datasets 28, 48, 68, 92, 178, 199, 241, 431, 500, 818, 873, 882, 909	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	brown	brown · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 92, 882	Sourced
Fruit conspicuous	false	No source recorded	Source not recorded
Fruit shape	strobilus	strobilus · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 882	Sourced
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	Rapid	Rapid · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Maximum height	2500 cm	2500 cm · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 28, 48, 68, 92, 178, 199, 241, 431, 500, 818, 873, 882, 909	Sourced
Vegetable	false	No source recorded	Source not recorded
Phenology
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 30 observations · 2026-10-09 TRY 7.0 datasets 28, 48, 92, 178, 460, 818, 882	Sourced
Ecology
Atmospheric humidity	6 / 9 · moderately humid air	6 / 9 · moderately humid air · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Ground humidity	empty	5 / 12 · fresh, never flooded (mesohydric) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Not on the record
Light	7 / 9 · half-light to light	7 / 9 · half-light to light · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Sourced
Nitrogen fixation	None	None · TRY Plant Trait Database · Measured · 30 observations · 2026-10-09 TRY 7.0 datasets 57, 67, 89, 130, 445	Sourced
Ph maximum	pH 7.5	pH 7.5 · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Ph minimum	pH 6.2	pH 6.2 · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Soil nutriments	4 / 9 · rather poor (meso-oligotrophic)	2 / 9 · very poor (peroligotrophic) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Differs from sources
Soil salinity	0 / 9 · absent from saline soils	0 / 9 · absent from saline soils · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Sourced
Cultivation
Minimum root depth	103 cm	103 cm · TRY Plant Trait Database · Measured · 24 observations · 2026-10-09 TRY 7.0 datasets 92, 432, 818	Sourced
Usda legacy
C n ratio	empty	51.6 · TRY Plant Trait Database · Measured · 18 observations · 2026-10-09 TRY 7.0 datasets 79, 981	Not on the record
Other
Human usage type	—	fuelwood, lumber, naval_stores, posts, pulpwood, timber, veneer · 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	—	None · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Soil ph indicator	—	5 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Not on the record

Pinus contorta Douglas ex Loudon, 1838 50% complete

Lodgepole pine

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

Data sources