Data sources

Each value Trefle shows for Alnus cordata, 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 Source not recorded18 Not on the record4 Sources: TRY Plant Trait Database

Field	Shown	What the sources say
Core
Author	(Loisel.) Duby	No source recorded	Source not recorded
Bibliography	Bot. Gall. 1: 423 (1828)	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	1828	No source recorded	Source not recorded
Descriptive
Common name	Italian alder	No source recorded	Source not recorded
Observations	NE. Corse, S. Italy	No source recorded	Source not recorded
Morphology
Average height	1800 cm	1800 cm · TRY Plant Trait Database · Measured · 12 observations · 2026-10-09 TRY 7.0 datasets 68, 116, 241, 882	Sourced
Flower color	green	No source recorded	Source not recorded
Fruit shape	empty	nut · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 882	Not on the record
Growth habit	Tree	No source recorded	Source not recorded
Maximum height	empty	1500 cm · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 68, 116, 241, 882	Not on the record
Vegetable	false	No source recorded	Source not recorded
Phenology
Bloom months	feb	No source recorded	Source not recorded
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 882	Sourced
Ecology
Atmospheric humidity	7 / 9 · humid air	No source recorded	Source not recorded
Light	8 / 9 · light	No source recorded	Source not recorded
Nitrogen fixation	High	High · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 71, 444, 445	Sourced
Ph maximum	pH 7.5	No source recorded	Source not recorded
Ph minimum	pH 7	No source recorded	Source not recorded
Soil nutriments	7 / 9 · rich (eutrophic)	No source recorded	Source not recorded
Soil salinity	0 / 9 · absent from saline soils	No source recorded	Source not recorded
Usda legacy
C n ratio	empty	19.1 · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 227	Not on the record
Other
Human usage type	—	timber · TRY Plant Trait Database · Reported · 1 observation · 2026-10-09 TRY 7.0 datasets 68	Not on the record

Alnus cordata (Loisel.) Duby, 1828 33% complete

Italian alder

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

Data sources