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{{SPlantbox
| name = ''Alnus incana''
|familia=Betulaceae
| common_names = Grey Alder
|genus=Alnus
| growth_habit = ? <!--- tree, shrub, herbaceous, vine, etc -->
|species=incana
| high = ? <!--- 1m (3 ft) -->
|common_name=Gray alder
| wide = <!--- 65cm (25 inches) -->
|name_ref=Flora - A Gardener's Encyclopedia
| origin = ? <!--- Mexico, S America, S Europe, garden, etc -->
|habit=tree
| poisonous = <!--- indicate parts of plants which are known/thought to be poisonous -->
|habit_ref=Flora - A Gardener's Encyclopedia
| lifespan = <!--- perennial, annual, etc -->
|Max ht box=70
| exposure = ? <!--- full sun, part-sun, semi-shade, shade, indoors, bright filtered (you may list more than 1) -->
|Max ht metric=ft
| water = ? <!--- frequent, regular, moderate, drought tolerant, let dry then soak -->
|height_ref=Flora - A Gardener's Encyclopedia
| features = <!--- flowers, fragrance, fruit, naturalizes, invasive -->
|Max wd box=30
| hardiness = <!--- frost sensitive, hardy, 5°C (40°F), etc -->
|Max wd metric=ft
| bloom = <!--- seasons which the plant blooms, if it is grown for its flowers -->
|width_ref=Flora - A Gardener's Encyclopedia
| usda_zones = ? <!--- eg. 8-11 -->
|lifespan=perennial
| sunset_zones = <!--- eg. 8, 9, 12-24, not available -->
|life_ref=Flora - A Gardener's Encyclopedia
|exposure=sun
| image = Alnus incana rugosa leaves.jpg
|sun_ref=Flora - A Gardener's Encyclopedia
| image_width = 240px <!--- leave as 240px if horizontal orientation photo, or change to 180px if vertical -->
|features=fire resistant
| image_caption = Speckled Alder ''Alnus incana'' subsp. ''rugosa''
|Temp Metric=°F
|min_zone=3
|usda_ref=Flora - A Gardener's Encyclopedia
|max_zone=9
|image=Alnus incana rugosa leaves.jpg
|image_width=240
|image_caption=Speckled Alder ''Alnus incana'' subsp. ''rugosa''
}}
}}
{{Inc|
{{Inc|
Alnus incana, Willd. Shrub or tree, to 60 ft. : branches pubescent: lvs. oval or oblong-ovate, acute, 1 1/4-4 in. long, doubly serrate, pubescent or nearly glabrous beneath: cones 4-8; mostly sessile, 1/2 in. long. Northern hemisphere, in different varieties.
Alnus incana, Willd. Shrub or tree, to 60 ft. : branches pubescent: lvs. oval or oblong-ovate, acute, 1 1/4-4 in. long, doubly serrate, pubescent or nearly glabrous beneath: cones 4-8; mostly sessile, 1/2 in. long. Northern hemisphere, in different varieties.