Data sources

Each value Trefle shows for Astragalus pectinatus, 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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Sourced2 Differs from sources1 Source not recorded7 Not on the record1 Sources: TRY Plant Trait Database

Field	Shown	What the sources say
Core
Author	(Hook.) Douglas ex G.Don	No source recorded	Source not recorded
Bibliography	Gen. Hist. 2: 257 (1832)	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	1832	No source recorded	Source not recorded
Descriptive
Observations	WC. & C. Canada to WC. & NC. U.S.A.	No source recorded	Source not recorded
Morphology
Average height	19 cm	18.5 cm · TRY Plant Trait Database · Measured · 17 observations · 2026-10-09 TRY 7.0 datasets 296	Differs from sources
Phenology
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 60 observations · 2026-10-09 TRY 7.0 datasets 296	Sourced
Ecology
Nitrogen fixation	High	High · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 444	Sourced
Usda legacy
C n ratio	empty	11.3 · TRY Plant Trait Database · Measured · 9 observations · 2026-10-09 TRY 7.0 datasets 296	Not on the record

Astragalus pectinatus (Hook.) Douglas ex G.Don, 1832 10% complete

No common name

Data sources

Astragalus pectinatus (Hook.) Douglas ex G.Don, 1832 10% complete

No common name

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

Data sources