Data sources

Each value Trefle shows for Astragalus humistratus, 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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Sourced1 Differs from sources1 Source not recorded7 Not on the record2 Sources: TRY Plant Trait Database

Field	Shown	What the sources say
Core
Author	A.Gray	No source recorded	Source not recorded
Bibliography	Smithsonian Contr. Knowl. 5(6): 43 (1853)	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	1853	No source recorded	Source not recorded
Descriptive
Observations	Arizona to Colorado and N. Mexico	No source recorded	Source not recorded
Morphology
Average height	4 cm	4.25 cm · TRY Plant Trait Database · Measured · 16 observations · 2026-10-09 TRY 7.0 datasets 193	Differs from sources
Phenology
Duration	empty	perennial · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 193	Not on the record
Ecology
Nitrogen fixation	High	High · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 193, 444	Sourced
Usda legacy
C n ratio	empty	17 · TRY Plant Trait Database · Measured · 7 observations · 2026-10-09 TRY 7.0 datasets 193, 412	Not on the record

Astragalus humistratus A.Gray, 1853 8% complete

No common name

Data sources

Astragalus humistratus A.Gray, 1853 8% complete

No common name

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

Data sources