Data sources

Each value Trefle shows for Arnoglossum plantagineum, 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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Sourced4 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	Raf.	No source recorded	Source not recorded
Bibliography	Fl. Ludov.: 65 (1817)	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	1817	No source recorded	Source not recorded
Descriptive
Common name	Groovestem indian plantain	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	70 cm	69.7 cm · TRY Plant Trait Database · Measured · 6 observations · 2026-10-09 TRY 7.0 datasets 66, 415, 866	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
Bloom months	may, jun	may, jun · TRY Plant Trait Database · Measured · 54 observations · 2026-10-20 TRY 7.0 datasets 66, 163, 415 1 earlier or rejected value Superseded may, jun · TRY Plant Trait Database · Measured · 54 observations · 2026-10-09 TRY 7.0 datasets 66, 163, 415	Sourced
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 66, 460	Sourced
Ecology
Nitrogen fixation	None	None · TRY Plant Trait Database · Measured · 3 observations · 2026-10-20 TRY 7.0 datasets 66, 444 1 earlier or rejected value Superseded None · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 66, 444	Sourced
Usda legacy
C n ratio	empty	23.5 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-20 TRY 7.0 datasets 412, 415 1 earlier or rejected value Superseded 23.5 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 412, 415	Not on the record

Arnoglossum plantagineum Raf., 1817 20% complete

Groovestem indian plantain

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Data sources