Data sources

Each value Trefle shows for Alnus alnobetula, 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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Sourced8 Differs from sources1 Source not recorded14 Not on the record6 Sources: TRY Plant Trait Database

Field	Shown	What the sources say
Core
Author	(Ehrh.) K.Koch	No source recorded	Source not recorded
Bibliography	Dendrologie 2(1): 625 (1872)	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	1872	No source recorded	Source not recorded
Descriptive
Common name	Green alder	No source recorded	Source not recorded
Observations	Temp. & Subarctic Northern Hemisphere	No source recorded	Source not recorded
Morphology
Average height	325 cm	325 cm · TRY Plant Trait Database · Measured · 34 observations · 2026-10-09 TRY 7.0 datasets 71, 500, 873, 918	Sourced
Biological type	nanophanerophyte	nanophanerophyte · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 4, 71, 500, 918	Sourced
Flower color	green	green · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 4	Sourced
Foliage texture	empty	medium · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 4	Not on the record
Fruit shape	empty	nut · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 4	Not on the record
Growth habit	Shrub	No source recorded	Source not recorded
Maximum height	empty	400 cm · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 71, 500, 873, 918	Not on the record
Sexuality	monoecious	monoecious · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 4	Sourced
Vegetable	false	No source recorded	Source not recorded
Phenology
Bloom months	apr, may, jun	No source recorded	Source not recorded
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 4, 918	Sourced
Ecology
Atmospheric humidity	7 / 9 · humid air	No source recorded	Source not recorded
Ground humidity	empty	6 / 12 · moist (meso-hygrophilous) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 242	Not on the record
Light	7 / 9 · half-light to light	7 / 9 · half-light to light · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 489	Sourced
Nitrogen fixation	High	High · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 71, 445	Sourced
Ph maximum	pH 6.5	No source recorded	Source not recorded
Ph minimum	pH 5.5	No source recorded	Source not recorded
Soil nutriments	7 / 9 · rich (eutrophic)	6 / 9 · rather rich (meso-eutrophic) · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 242, 489	Differs from sources
Soil salinity	0 / 9 · absent from saline soils	0 / 9 · absent from saline soils · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 242, 489	Sourced
Other
Soil ph indicator	—	5 · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 242, 489	Not on the record
Temperature indicator	—	3 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 242	Not on the record

Alnus alnobetula (Ehrh.) K.Koch, 1872 37% complete

Green alder

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

Data sources