Data sources

Each value Trefle shows for Berberis nervosa, 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 Differs from sources1 Source not recorded7 Not on the record8 Sources: TRY Plant Trait Database

Field	Shown	What the sources say
Core
Author	Pursh	No source recorded	Source not recorded
Bibliography	Fl. Amer. Sept. 1: 219 (1813)	No source recorded	Source not recorded
Rank	species	No source recorded	Source not recorded
Status	accepted	No source recorded	Source not recorded
Year	1813	No source recorded	Source not recorded
Descriptive
Observations	SW. Canada to CW. California	No source recorded	Source not recorded
Morphology
Average height	70 cm	70.48 cm · TRY Plant Trait Database · Measured · 8 observations · 2026-10-09 TRY 7.0 datasets 68, 92, 251, 818	Differs from sources
Flower color	empty	yellow · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
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	empty	coarse · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Fruit color	empty	blue · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Growth rate	empty	Slow · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Maximum height	140 cm	140 cm · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 68, 92, 251, 818	Sourced
Vegetable	false	No source recorded	Source not recorded
Phenology
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09 TRY 7.0 datasets 28, 92, 759, 818	Sourced
Cultivation
Minimum root depth	42 cm	42 cm · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 92, 818	Sourced
Other
Human usage type	—	medical, nursery_stock · 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	—	Deep · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record

Berberis nervosa Pursh, 1813 14% complete

No common name

Data sources

Berberis nervosa Pursh, 1813 14% complete

No common name

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

Data sources