Data sources

Each value Trefle shows for Pinus quadrifolia, 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 record1 Sources: TRY Plant Trait Database, Earlier Trefle data

Field	Shown	What the sources say
Core
Author	Parl. ex Sudw.	No source recorded	Source not recorded
Bibliography	Bull. Div. Forest. U.S.D.A. 14: 17 (1897)	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	1897	No source recorded	Source not recorded
Descriptive
Common name	Parry pinyon	No source recorded	Source not recorded
Family common name	Pine family	No source recorded	Source not recorded
Observations	S. California to Mexico (N. Baja California)	No source recorded	Source not recorded
Morphology
Average height	1000 cm	1000 cm · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09 TRY 7.0 datasets 68, 631	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	1000 cm · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 68, 631	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

Pinus quadrifolia Parl. ex Sudw., 1897 16% complete

Parry pinyon

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

Data sources