Downy oak (Quercus pubescens) in flower
Aleppo oak (Quercus infectoria)
Holm oak (Quercus rotundifolia) in flower
Spring flowers in olive grove
Spur-thighed tortoise
A Marginated Tortoise
Walnut tree (Juglans regia) in flower
Aspen (Populus tremula) tree, artwork
Alder (Alnus glutinosa) tree, artwork
Grey willow (Salix atrocinerea), artwork
Common alder (Alnus glutinosa)
Downy oak (Quercus pubescens), artwork
Salt marsh, Lesbos, Greece
宇宙から見た地球(NASA提供)
Oak acorns (Quercus robur)
White willow (Salix alba) tree, artwork
Goat willow (Salix caprea)
Hazel catkins (Corylus avellana)
Delphinium sp.
Showy foxtail (Ptilotus exaltatus)
Hazel (Corylus avellana) catkins
Italian alder (Alnus cordata) catkins
Reedmace (Typha latifolia) seed heads
Monkey orchid (Orchis simia)
Cretan iris (Iris unguicularis ssp. Cretensis)
Yellow asphodel (Asphodeline lutea)
Bellevalia sitiaca
Cretan arum (Arum creticum)
Dragon arum (Dracunculus vulgaris)
False hawkbit (Urospermum picroides)
Wild flowers growing on turf on limestone, Crete
Common willow catkins
Foxglove (Digitalis 'Pam's Choice')
Sea holly (Eryngium bourgatii)
Red hot poker (Kniphofia rooperi)
Dogtail grass (Cynosurus echinatus)
Portuguese oak (Quercus faginea)
Birch catkins
Male catkins of common oak (Quercus robur)
White oak leaf, light micrograph
Algerian oak (Quercus canariensis) trees
Coppery buttercup (Ranunculus cupreus)
Cytinus hypocistis in flower
Breckland birthwort (Aristolochia hirta)
Bindweed (Convolvulus siculus) in flower
Bee orchid (Ophrys orphanidea) in flower
Mirror orchid (Ophrys speculum) flower
Pussy willow (Salix caprea) catkins
Teasel seed head
Purple loosestrife
Coastal scenery in Skala Eresou
Autumn leaves
Arctic grey willow (Salix glauca)
Oak trees and wildflower meadow
Climbing birthwort flower
Weeping willow (Salix babylonica)
Bumble bee feeding
Bumblebee in flight
Blue tit on pussy willow
Foxglove (Digitalis purpurea)
Pussy willow catkins, Pembrokeshire, Wales, UK
Pendulous sedge (Carex pendula)
Common alder (Alnus glutinosa) catkins
Kermes oak (Quercus coccifera), artwork
Cork oak (Quercus suber), artwork
Holm oak (Quercus ilex), artwork
Dried thistle heads
Hairy hemp nettle (Galeopsis pubescens)
Lynx spider, female
Willow catkin (Salix sp.)
Common agrimony (Agrimonia eupatoria)
Vervain (Verbena officinalis)
Barbed skullcap (Scutellaria barbata)
Bugle (Ajuga reptans)
Kniphofia 'Alcazar'
Hazel catkin anthers with pollen, SEM
Goat willow catkins
Grey willow catkins
marguerite
Oak leaves
Lamarckia, goldentop grass (Lamarckia aurea)
White oak borer beetle
Germany, Usedom, Suckow, Sessile Oak at backlight
Oak (Quercus robur)
Burning bush (Dictamnus albus)
Bistort (Polygonium bistorta)
Sea squill (Urginea maritima)
White sage (Salvia hybrid)
Coleus (Solenostemon scutellarioides)
Catkins
Hazel catkins
Painter's palette (Anthurium andraeanum)
Snapdragon (Antirrhinum majus)
Astilbe chinensis var. pumila
Bugbane flower (Cimicifuga simplex)
Chuquiragua jussieui
Viper's bugloss (Echium vulgare)
Globe thistle (Echinops ritro)
Giant rhubarb (Gunnera manicata)
Lilac (Syringa sp.)
Lilac (Syringa hybrid)
Anthurium andraeanum
Ament flower cluster of an Italian alder (Alnus cordata)
Orchids
Ancient oak tree (Quercus sp.)
Swamp birch (Betula pumila)
Honey bee feeding on flower
Honey bee collecting pollen
Large Dendrochilum magnum orchid
English oak tree (Quercus robur) trunk
Bromeliad plant
Acacia flowers
East Canary sow-thistle (Sonchus pinnatifidus)
Lanzarote bugloss (Echium lancerottense)
Lanzarote gold coin daisy (Asteriscus intermedius)
Aeonium mascaense
Young man in nature portrait
Star-of-Bethlehem (Gagea peduncularis)
Holm oak (Quercus ilex) with acorns
Blooming tufted saxifrage (Saxifraga cespitosa)
Purple Saxifrage (Saxifraga oppositifolia) in bloom
Algerian oak (Quercus canariensis) in flower
Greek domestic kitten
Scarce swallowtail butterfly
Albinaria land snail shells
Yellow knapweed (Centaurea salonitana) in flower
Arctic willow flower
Oak acorns (Quercus robur) on moss
Quercus pubescens
Oak sapling (Quercus robur)
Meadow foxtail (Alopecurus pratensis) flowers
Wild Iris (Iris suaveolens)
Orchid (Ophrys umbilicata)
Tree Medick (Medicago arborea)
Mullein (Verbascum arcturus)
Bergamot flower (Monarda 'Jacob Cline')
Sandbar willow twigs (Aquilegia columbine), X-ray
Iris pollen grains, SEM
Lily pollen grains on a chip, SEM
Anise hyssop (Agastache foeniculum)
Korean hyssop (Agastache rugosa)
Common butterbur (Petasites hybridus)
Purple loosestrife (Lythrum salicaria)
Silver birch (Betula pendula) leaves
Holly leaves
Gunnera leaf
Goosegrass leaf, SEM
Thistle flower
Ox-eye daisy pollen, SEM
Daisy pollen, SEM
Flower pollen
Spelt grain, SEM
Pineapple lily (Eucomis sp.)
Verbascum 'Cherry Helen' flowers
Willow (Salix 'The Hague')
Pollen production
Japanese Hornbeam (Carpinus japonica)
Buddleia flowers, Kirlian photograph
Goat willow (Salix caprea) male catkins
Toadflax (Linaria vulgaris) plant, X-ray
Alder (Alnus sp.) catkins, X-ray
Red-hot poker (Kniphofia 'Prince Igor')
Freesia sp. flowers
Common bulrush (Typha latifolia) spikes
Lavender (Lavandula x christiana)
Lavender (Lavandula dentata)