RMCWAJNK–Alder tree trunks, Alnus glutinosa, Wales, UK .
RMECXED6–Wood of black alder trees (Alnus glutinosa) at sunset - Silhouettes in Backlight
RME7JBCA–Black Alder (Alnus glutinosa) with hoarfrost, Reussspitz Nature Reserve, Maschwanden, Canton of Zug, Switzerland
RM2D7XWND–Alder leaf beetles, Agelastica alni, on the leaves of Alder, Alnus glutinosa.
RMBEN3TG–Male catkins of Black alder / European alder / Common alder (Alnus glutinosa), Belgium
RMMFP23R–Dusting of snow on male catkins and immature female flowers of an alder, Alnus glutinosa, tree in late winter, March
RMH4BHXJ–Black alder, Alnus glutinosa, trunks, medium close-up,
RM2WN1J0R–Young, fresh green leaves of alder tree (Alnus glutinosa) in April, Peterborough, Cambridgeshire, England
RMW6R4C7–Damage to the leaves of an Alder tree, Alnus glutinosa, that has been caused by the larvae of the Alder leaf beetle, Agelastica alni. The beetle was d
RF2C11W3B–Alder (alnus glutinosa), close up showing the empty mature cones produced in the previous year still on the tree with the new spring leaves.
RMFAPDCJ–Alder Leaf Beetle Agelastica alni on European alder Alnus glutinosa alder leaf beetle
RMT7D8B2–black alder, Western Pomerania Lagoon Area National Park, Fischland-Darss-Zingst, Mecklenburg-Western Pomerania, Germany, Europe, (Alnus glutinosa)
RFC0940J–Snowy Alder trees (Alnus glutinosa) and Roe deer (Capreolus capreolus)
RM2D7XR3K–Alder leaf beetle, Agelastica alni, on the leaves of Alder, Alnus glutinosa.
RMBEPDMR–Black / Common alder (Alnus glutinosa) male inflorescences / catkins covered in hoarfrost in winter
RMMFP21W–Dusting of snow on male catkins and immature female flowers of an alder, Alnus glutinosa, tree in late winter, March
RM2E49DG1–Erlenbruchwald (Alnus glutinosa) Upper Palatinate, Bavaria, Germany
RF2J81E50–Alnus glutinosa. Cones and budding buds of black alder
RMW6R602–Damage to the leaves of an Alder tree, Alnus glutinosa, that has been caused by the larvae of the Alder leaf beetle, Agelastica alni. The beetle was d
RF2HG5ENH–Alder (alnus glutinosa), close up of the male catkins, still closed, produced at the end of the year in preparation for the following spring.
RF2FMPWMC–European alder (Alnus glutinosa) tree, close-up of cones and catkins in early spring
RMCXGH6F–Alder, Alnus glutinosa, detail of male catkin
RMTDNAE0–swamp forest, Western Pomerania Lagoon Area National Park, Fischland-Darss-Zingst, Mecklenburg-Western Pomerania, Germany, Europe, (Alnus glutinosa)
RF2PJNN7E–European alder, Alnus glutinosa, branch with mature female catkins, blooming male catkins and buds on soft background, selective focus.
RMBH9F05–Alder (Alnus glutinosa). Recently cut logs, shown in cross section.
RMDFP8ND–black alder, alnus glutinosa
RMBAH0FR–Catkins and female flowers of Alnus glutinosa Alder tree, Wales, UK.
RMD6587W–Alder Catkins - Alnus glutinosa Closeup against black background
RFW888E8–Alder quarry (Alnus glutinosa), at sunrise with sunrays and early fog, Jagersborg, Copenhagen, Denmark
RM2D7XR5M–Alder leaf beetles, Agelastica alni, on the leaves of Alder, Alnus glutinosa.
RMEJ3476–Black Alder / European Alder / Common Alder (Alnus glutinosa) male catkins and female inflorescences on white in spring
RM2RWMJFN–Alder (Alnus glutinosa) cone-like female fruits, green, in summer, but hardening to release seeds in the spring, Berkshire, July
RM2HFY9RR–Common Alder (Alnus Glutinosa) or European Alder Catkins showing in mid January during a mild spell of weather, West Lothian, Scotland.
RF2J61G2P–Alnus glutinosa. Cones of black alder against the sky in close-up
RMW88615–An example of the Alder Sawfly larva, Eriocampa ovata, photographed on an alder leaf, Alnus glutinosa. The larva was found on the banks of the Dorset
RF2F4GME6–Alder catkins (alnus glutinosa), close up showing several of the large male catkins in flower hanging from a branch of the tree.
RMG0DB6G–Alnus glutinosa
RMC4G6YH–Common Alder Alnus glutinosa male flowers or catkins
RMBAH0JG–Catkins, Cones and female flowers of Alnus glutinosa Alder tree, Wales, UK.
RMHDXK8K–Common Alder - Alnus glutinosa Male Catkins in early Winter
RMCR51EE–Horses and Black Alders, European Alders or Common Alders (Alnus glutinosa) next to the Ems river, Haren, Emsland region
RM2D7XPY2–Alder leaf beetle, Agelastica alni, on the leaves of Alder, Alnus glutinosa.
RMEJ3473–Black Alder / European Alder / Common Alder (Alnus glutinosa) male catkins and female inflorescences on white in spring
RM2RWMJFW–Alder (Alnus glutinosa) cone-like female fruits, green, in summer, but hardening to release seeds in the spring, Berkshire, July
RM2HFY9HK–Common Alder (Alnus Glutinosa) or European Alder Catkins showing in mid January during a mild spell of weather, West Lothian, Scotland.
RMAY6FXW–Alder tree catkins alnus glutinosa
RMW8834A–An example of the Alder Sawfly larva, Eriocampa ovata, photographed on an alder leaf, Alnus glutinosa. The larva was found on the banks of the Dorset
RF2F4GMER–Alder (alnus glutinosa), close up showing the large male catkins in flower and the smaller pinkish female flowers which produce the trees seed cones.
RF2GGHGDD–Alnus glutinosa European black alder green catkins and leaves
RMC4G6JJ–Common Alder Alnus glutinosa male flowers or catkins
RM2D7XR42–Alder leaf beetles, Agelastica alni, on the leaves of Alder, Alnus glutinosa.
RMEJ346P–Black Alder / European Alder / Common Alder (Alnus glutinosa) male inflorescences / catkins covered in hoarfrost in winter
RM2M3YGW7–Branch with the leaves and fruit of Alnus glutinosa, common alder tree, Cardiff 2022
RM2HFY9MP–Common Alder (Alnus Glutinosa) or European Alder Catkins showing in mid January during a mild spell of weather, West Lothian, Scotland.
RMHN8KY8–Frosted Common Alder (Alnus glutinosa) at edge of frozen pond, Allerton Bywater, England, November
RMW8847C–An example of the Alder Sawfly larva, Eriocampa ovata, photographed on an alder leaf, Alnus glutinosa. The larva was found on the banks of the Dorset
RF2F4GMG6–Alder (alnus glutinosa), close up showing the large male catkins in flower and the smaller pinkish female flowers which produce the trees seed cones.
RF2GGHGDE–Alnus glutinosa European black alder green catkins and leaves
RMC4G5TR–Common Alder Alnus glutinosa male flowers or catkins in the foreground and the cone seed heads in the background.
RMW9W1FG–L'Aulne glutineux (Alnus glutinosa (L.) Gaertn.), famille des Bétulacées.
RMGMT3EM–Schwarz-Erle, Schwarzerle, Erle, Männliche und weibliche Blüte, Blüten, Alnus glutinosa, Common Alder, Aulne glutineux
RMBKKAXE–Alder Alnus glutinosa close-up of male catkins and female flowers
RF2WP8KDA–Small branch of black alder Alnus glutinosa with male catkins and female red flowers. Blooming alder in spring beautiful natural background with clear
RMB1F2RD–European alder (Alnus glutinosa) leaf deformations caused by gall mites (Eriophyes laevis laevis)
RF2T8W7YF–Alder (Alnus glutinosa) cones, Beinn Eighe, National Nature Reserve, Wester Ross, Scotland, July 2001
RF2C773WH–Three alder tree, Alnus glutinosa, cones at the end of a small stalk with a blurred background of trees.
RFE5A9K3–Common Alder or Black Alder trees (Alnus glutinosa) in an alder carr, Vogelmoor nature reserve, Lower Saxony, Germany
RM2F7WTAM–Male catkins of Alder, Alnus glutinosa, (with last year's female cones) in early spring.
RM2GFM82C–Alnus glutinosa, known as the common alder, black alder, European alder, European black alder, or alder, green plant leaves in Germany, Europe
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