Data sources

Each value Trefle shows for Amaranthus palmeri, 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 recorded8 Not on the record2 Sources: TRY Plant Trait Database

Field	Shown	What the sources say
Core
Author	S.Watson	No source recorded	Source not recorded
Bibliography	Proc. Amer. Acad. Arts 12: 274 (1877)	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	1877	No source recorded	Source not recorded
Descriptive
Common name	Carelessweed	No source recorded	Source not recorded
Observations	S. California to Texas and Mexico	No source recorded	Source not recorded
Morphology
Average height	106 cm	105.5 cm · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 116, 500, 818	Differs from sources
Biological type	therophyte	therophyte · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 500, 918	Sourced
Phenology
Duration	annual	annual · TRY Plant Trait Database · Measured · 6 observations · 2026-10-09 TRY 7.0 datasets 28, 365, 818, 918	Sourced
Ecology
Nitrogen fixation	empty	None · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 71	Not on the record
Cultivation
Minimum root depth	37 cm	37 cm · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09 TRY 7.0 datasets 818	Sourced
Usda legacy
C n ratio	empty	13.5 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 412	Not on the record

Amaranthus palmeri S.Watson, 1877 14% complete

Carelessweed

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

Data sources