Data sources

Each value Trefle shows for Pinus attenuata, 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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Sourced3 Source not recorded10 Not on the record2 Sources: TRY Plant Trait Database, Earlier Trefle data

Field	Shown	What the sources say
Core
Author	Lemmon	No source recorded	Source not recorded
Bibliography	Mining Sci Press 64: 45 (1892)	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	1892	No source recorded	Source not recorded
Descriptive
Common name	Knobcone pine	No source recorded	Source not recorded
Family common name	Pine family	No source recorded	Source not recorded
Observations	S. Oregon to Mexico (N. Baja California)	No source recorded	Source not recorded
Morphology
Average height	1600 cm	1600 cm · TRY Plant Trait Database · Measured · 8 observations · 2026-10-09 TRY 7.0 datasets 68, 631, 873	Sourced
Growth habit	Tree	Tree · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Maximum height	empty	1200 cm · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 68, 631, 873	Not on the record
Vegetable	false	No source recorded	Source not recorded
Phenology
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 28	Sourced
Ecology
Nitrogen fixation	empty	None · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 445	Not on the record

Pinus attenuata Lemmon, 1892 16% complete

Knobcone pine

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

Data sources