Data sources

Each value Trefle shows for Daucus pusillus, 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 recorded10 Not on the record1 Sources: TRY Plant Trait Database, Earlier Trefle data

Field	Shown	What the sources say
Core
Author	Michx.	No source recorded	Source not recorded
Bibliography	Fl. Bor.-Amer. 1: 164 (1803)	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	1803	No source recorded	Source not recorded
Descriptive
Common name	Rattlesnake-weed	No source recorded	Source not recorded
Family common name	Carrot family	No source recorded	Source not recorded
Observations	SW. Canada to N. Mexico (and Guadalupe), Brazil to S. South America	No source recorded	Source not recorded
Morphology
Average height	16 cm	15.5 cm · TRY Plant Trait Database · Measured · 10 observations · 2026-10-09 TRY 7.0 datasets 249	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	annual · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 28	Not on the record

Daucus pusillus Michx., 1803 14% complete

Rattlesnake-weed

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

Data sources