Photo: Alnus maximowiczii 2.
Leaf. Botanical garden Kumpula, Helsinki, Finland. Planted. 2010-06-04.
Photo: Alnus maximowiczii 1.
Cones. Botanical garden Kumpula, Helsinki, Finland. Planted. 2010-06-04.
Photo: Alnus maximowiczii 0.
Branches with cones. Botanical garden Kumpula, Helsinki, Finland. Planted. 2010-06-04.
Photo: Alnus viridis 2.
Young trees. Botanical garden Kumpula, Helsinki, Finland. Planted. 2010-06-04.
Photo: Alnus viridis 1.
Cones. Botanical garden Kumpula, Helsinki, Finland. Planted. 2010-06-04.
Photo: Alnus viridis 0.
Leaf and cones. Botanical garden Kumpula, Helsinki, Finland. Planted. 2010-06-04.
Vol. 13. Bild 48. Alnus glutinosa.
Old texts: Hayne's Getreue Darstellung, vol. 13, 1837: the images.
128. Betula alnus.
Gamla texter: Svensk Botanik, band 2, 1803: bilder.
Photo: Alnus firma 0.
Branch in flower. Hills above Nunobiki herb garden, Kobe, Japan. Wild. 2001-05-06.
Photo: Alnus firma 2.
Branches. Hills above Nunobiki herb garden, Kobe, Japan. Wild. 2001-05-06.
Photo: Alnus firma 1.
Branch in flower. Hills above Nunobiki herb garden, Kobe, Japan. Wild. 2001-05-06.
Photo: Alnus hirsuta 1.
var. mandschurica. Branch with cones. Botanical garden Kaisaniemi, Helsinki, Finland. Planted. 2006-09-29.
Photo: Alnus hirsuta 0.
var. sibirica. Male flowers, hanging down, and female flowers, sticking out. Botanical garden Kaisaniemi, Helsinki, Finland. Planted. 2006-04-22.