Data sources

Each value Trefle shows for Iva axillaris, 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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Sourced5 Source not recorded10 Sources: TRY Plant Trait Database, Earlier Trefle data

Field	Shown	What the sources say
Core
Author	Pursh	No source recorded	Source not recorded
Bibliography	Fl. Amer. Sept. 2: 743 (1813)	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	1813	No source recorded	Source not recorded
Descriptive
Common name	Poverty sumpweed	No source recorded	Source not recorded
Family common name	Aster family	No source recorded	Source not recorded
Observations	W. & C. Canada to U.S.A.	No source recorded	Source not recorded
Morphology
Fruit color	brown, grey	brown, grey · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 882	Sourced
Fruit shape	achene	achene · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 882	Sourced
Growth habit	Subshrub, Forb/herb	Subshrub, Forb/herb · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Maximum height	35 cm	35 cm · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 882	Sourced
Vegetable	false	No source recorded	Source not recorded
Phenology
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09 TRY 7.0 datasets 882	Sourced

Iva axillaris Pursh, 1813 20% complete

Poverty sumpweed

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

Data sources