Bernard Castelein / Alder buckthorn (Frangula alnus) tree at dawn. Klein Schietveld, Brasschaat, Belgium. April.

Bernard Castelein / Alder buckthorn (Frangula alnus) in grassland at sunrise. Klein Schietveld, Brasschaat, Belgium. August 2019.

Ernie Janes / Anchor plant (Colletia paradoxa) native to Uruguay and South Brazil

Ernie Janes / Anchor plant (Colletia paradoxa) native to Uruguay and South Brazil

Tui De Roy / Atlantic yellow-nosed albatross (Thalassarche chlororhynchos). nesting amid ferns and endemic Phylica arborea trees. Gough Island, Gough and Inaccessible Islands UNESCO World Heritage Site, South Atl...

Agustin Esmoris / White-tipped Plantcutter (Phytotoma rutila) male on Condalia (Condalia microphylla), Argentina

Alex Hyde / Common buckthorn (Rhamnus cathartica) leaves and berries, Strumpshaw Fen, Norfolk, UK, September.

Kim Taylor / Brimstone butterfly (Gonepteryx rhamni) eggs on Alder Buckthorn (Frangula alnus) leaf. Surrey, England, UK, May. Digitally enhanced.

Gabriel Rojo / Fruit (Condalia microphylla) thorny bush typical of Calden forest, La Pampa, Argentina

MYN / JP Lawrence / California mountain lilac cultivar (Ceanothus 'concha') cultivated plant. San Diego Bay, California, USA, February. Meetyourneighbours.net project.

Alex Hyde / Leaves and fruits of Common buckthorn (Rhamnus cathartica) Cambridgeshire, UK. September.

Daniel Heuclin / Lotus tree (Ziziphus lotus) near Ouarzazate, Morocco.

Daniel Heuclin / Lotus tree (Ziziphus lotus) near Ouarzazate, Morocco.

Daniel Heuclin / Lotus tree (Ziziphus lotus) near Ouarzazate, Morocco.

Wild Wonders of Europe / Widstr / Jerusalem Thorn (Paliurus spina-christi) Sakar Mountains, Eastern Rhodope Mountains, Bulgaria, May 2013.

Wild Wonders of Europe / Widstr / Crown of Thorns (Paliurus spina-christi) bush, grazed by Fallow deer (Dama dama) Studen Kladenets reserve, Eastern Rhodope Mountains, Bulgaria, May 2013.

Wild Wonders of Europe / Widstr / Crown of Thorns (Paliurus spina-christi) bush, grazed by Fallow deer (Dama dama) Studen Kladenets reserve, Eastern Rhodope Mountains, Bulgaria, May 2013.

Laurent Geslin / Bunch of cultivated white Grapes {Vitis vinifera} Switzerland. Not for sale to magazines.

Simon Colmer / Trunk of (Maesopsis eminii) tree, a large African forest tree introduced to many parts of the tropics and grown in monoculture plantations as a fast growing timber tree.

Nick Upton / Jerusalem thorn / Christ's thorn / Crown of thorns tree (Paliurus spina-christi) with clusters of yellow winged fruits / seed pods growing on coastal limestone hillside, Zadar province, Croatia, July.

Nick Upton / Keeled, winged seed pods of Jerusalem thorn / Christ's thorn / Crown of thorns tree (Paliurus spina-christi) against blue sky, growing on coastal limestone hillside, Zadar province, Croatia, July.

Nick Upton / Keeled, winged seed pods of Jerusalem thorn / Christ's thorn / Crown of thorns tree (Paliurus spina-christi) growing on coastal limestone hillside, Zadar province, Croatia, July.

Tui De Roy / Small Ground-Finch (Geospiza fuliginosa) leaving nest in spiny Angiosperm (Scutia sp) bush, Galapagos Islands, Ecuador

Simon Colmer / Purging Buckthorn berries (Rhamnus cathartica) Levin Down NR, Sussex, UK

Simon Colmer / Purging Buckthorn berries (Rhamnus cathartica) Levin Down NR, Sussex, UK

Jeff Vanuga / Bunch of black Grapes (Vitis sp) on vine, California, USA

Tui De Roy / Batwing Fern (Histiopteris incisa), Gough Tree Fern (Blechnum palmiforme), and Island Cape Myrtle (Phylica arborea) on coastal plateau, Gough Island, South Atlantic

Jose B. Ruiz / Flowers of the Grape vine {Vitis vinifera} Spain

Chris O'Reilly / Alder buckthorn berries {Rhamnus frangula} Derbyshire, UK

David Kjaer / Virginia creeeper {Parthenocissus sp} 'Beverley Brook' in late autumn, UK, sequence 2/2

David Kjaer / Virginia creeeper {Parthenocissus sp} 'Beverley Brook' in early autumn, UK, sequence 1/2

Mark Taylor / Boston Ivy (Parthenocissus tricuspidata) climbing up wall, autumn colours, UK

Tui De Roy / Yellow-nosed Albatross (Thalassarche chlororhynchos) nesting in endemic Island Cape Myrtle (Phylica arborea), Gough Island, South Atlantic

Tui De Roy / Yellow-nosed Albatross (Thalassarche chlororhynchos) pair nesting in endemic Island Cape Myrtle (Phylica arborea), Gough Island, South Atlantic

Tui De Roy / Yellow-nosed Albatross (Thalassarche chlororhynchos) nesting in ferns and endemic Island Cape Myrtle (Phylica arborea), Gough Island, South Atlantic

Tui De Roy / Yellow-nosed Albatross (Thalassarche chlororhynchos) nesting under Island Cape Myrtle (Phylica arborea), Tristan da Cunha, South Atlantic

Tui De Roy / Yellow-nosed Albatross (Thalassarche chlororhynchos) group in ferns and endemic Island Cape Myrtle (Phylica arborea), Gough Island, South Atlantic

Tui De Roy / Yellow-nosed Albatross (Thalassarche chlororhynchos) nesting in ferns and endemic Island Cape Myrtle (Phylica arborea), Gough Island, South Atlantic

Tui De Roy / Yellow-nosed Albatross (Thalassarche chlororhynchos) nesting in ferns and endemic Island Cape Myrtle (Phylica arborea), Gough Island, South Atlantic

Doug Wechsler / Wild Grape vine {Vitis sp} Pennsylvania, USA

Jose B. Ruiz / Bunches of black Grapes in vineyard {Vitis vinifera} Alicante, Spain

Juan Manuel Borrero / Grapes {Vitis vinifera} Macabeo variety, Catalonia, Spain

Jose B. Ruiz / Bunch of White grapes {Vitis vinifera} Alicante, Spain

Jose B. Ruiz / Mediterranean buckthorn berries {Rhamnus alaternus} Alicante, Spain

Jose B. Ruiz / Bunch of white Grapes in vineyard {Vitis vinifera} Alicante, Spain, Europ

Jose B. Ruiz / Rhamnus lycioides berries, Spain, Europe

Jose B. Ruiz / White grapes protected by paper bags {Vitis vinifera} in vineyard, Murcia, Spain, Europe

Nature Production / Boston Ivy / Japanese Creeper {Parthenocissus tricuspidata} close up of tendrils and suckers for climbing, Japan

Nature Production / Cross-section of a Grape {Vitis sp} showing fruit flesh and seeds, Japan

Jeff Vanuga / Bunch of Grapes {Vitis sp.} on the vine in California.

Jeff Vanuga / Vineyards, El Dorado County, California, USA

Jose B. Ruiz / Chinese jujube {Ziziphus jujuba} flowers, Spain

Philippe Clement / Flowers on Grape vine {Vitis sp.} Spain

Philippe Clement / Flowers on Grape vine {Vitis sp.} Spain

Jose B. Ruiz / Grape vineyard {Vitis vitifera} with vines trained over wires, Spain.

Jose B. Ruiz / Grape vineyard {Vitis vitifera} with Vines trained over wires, Spain.

Agustin Esmoris / Blue And Yellow Tanager (Thraupis bonariensis) female on Condalia (Condalia microphylla), Argentina

Agustin Esmoris / Long-tailed Meadowlark (Sturnella loyca) calling on Condalia (Condalia microphylla), Argentina

Agustin Esmoris / White-tipped Plantcutter (Phytotoma rutila) female on Condalia (Condalia microphylla), Argentina

Tui De Roy / Large Ground Finch (Geospiza magnirostris) feeding on Angiosperm (Scutia sp) seeds, Santa Cruz Island, Galapagos Islands, Ecuador

Jack Dykinga / Diamond Point at sunset with Century plants (Agave parryi) and Desert ceanothus (Ceanothus greggii) in chapparal plant community, Diamond Point, Tonto National Forest, Arizona, USA.

Mike Read / Purple hairstreak butterfly (Quercusia quercus) male, nectaring on Alder buckthorn (Frangula alnus) flower, Alners Gorse Reserve, Dorset, England, UK. August.

Mike Read / Buckthorn (Rhamnus catharticus) berries, Radipole Lane RSPB Reserve, Weymouth, Dorset, England, UK. September.

Paul Harcourt Davies / Dwarf buckthorn (Rhamnus pumila) a dwarf shrub of high mountains, in flower, Gran Sasso, Abruzzo, Italy. July.

Paul Harcourt Davies / Dwarf buckthorn (Rhamnus pumila) growing on rockface, Gran Sasso, Abruzzo, Italy. July.

Nick Upton / Common / Purging buckthorn (Rhamnus cathartica) berry clusters ripening in a roadside hedgerow, Wiltshire, UK, September.

Dave Watts / Winged spyridium (Spyridium vexilliferum). Tasmania, Australia. November.

Dave Watts / Yellow dogwood (Pomaderris elliptica). Tasmania, Australia. October.

Dave Watts / Common dogwood (Pomaderris apetala). Tasmania, Australia. November.

Dave Watts / Showy podolepis (Podolepis decipiens). Tasmania, Australia. December.

Colin Varndell / Alder buckthorn (Frangula alnus) blossom. Dorset, England, UK May.

Nigel Cattlin / Leaves and berries of common or purging buckthorn (Rhamnus cathartica) in late summer, Berkshire, England, UK, August