Data sources

Each value Trefle shows for Symphyotrichum urophyllum, 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 recorded10 Sources: TRY Plant Trait Database, Earlier Trefle data

Field	Shown	What the sources say
Core
Author	(Lindl.) G.L.Nesom	No source recorded	Source not recorded
Bibliography	Phytologia 77(3): 294 (1995)	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	1995	No source recorded	Source not recorded
Descriptive
Common name	White arrowleaf aster	No source recorded	Source not recorded
Family common name	Aster family	No source recorded	Source not recorded
Observations	SE. Canada to U.S.A.	No source recorded	Source not recorded
Morphology
Average height	60 cm	59.5 cm · TRY Plant Trait Database · Measured · 12 observations · 2026-10-09 TRY 7.0 datasets 335, 925	Differs from sources
Biological type	geophyte	geophyte · TRY Plant Trait Database · Measured · 176 observations · 2026-10-09 TRY 7.0 datasets 925	Sourced
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	perennial	perennial · TRY Plant Trait Database · Measured · 176 observations · 2026-10-09 TRY 7.0 datasets 925	Sourced

Symphyotrichum urophyllum (Lindl.) G.L.Nesom, 1995 18% complete

White arrowleaf aster

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

Data sources