Data sources

Each value Trefle shows for Draba asprella, 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 recorded8 Not on the record2 Sources: TRY Plant Trait Database, Earlier Trefle data

Field	Shown	What the sources say
Core
Author	Greene	No source recorded	Source not recorded
Bibliography	Bull. Torrey Bot. Club 10: 125 (1883)	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	1883	No source recorded	Source not recorded
Descriptive
Observations	C. Arizona	No source recorded	Source not recorded
Morphology
Average height	1 cm	1.3 cm · TRY Plant Trait Database · Measured · 7 observations · 2026-10-09 TRY 7.0 datasets 193	Differs from sources
Growth habit	Forb/herb	Forb/herb · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Vegetable	false	No source recorded	Source not recorded
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	None	None · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 193, 444	Sourced
Usda legacy
C n ratio	empty	23.6 · TRY Plant Trait Database · Measured · 6 observations · 2026-10-09 TRY 7.0 datasets 193, 412	Not on the record

Draba asprella Greene, 1883 12% complete

No common name

Data sources

Draba asprella Greene, 1883 12% complete

No common name

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

Data sources