• Results for
    • tough
  • (37)
Ireland, County Sligo, Trees in wintertime near Lissadell Beach viewed from below with vibrant blue sky above. Carney
Ireland, County Sligo, Trees in wintertime near Lissadell Beach viewed from below with vibrant blue sky above. Carney
Ireland, County Sligo, Ben Bulben Forest Walk, Tree rings on a recently felled tree. Carney
Ireland, County Sligo, Ben Bulben Forest Walk, Tree rings on a recently felled tree. Carney
Plants, Trees, Flowers, A Flame Tree, Flamboyant, or Royal Poinciana Tree, Delonix regia var. flavida, in bloom in the Dominican Republic.  Most Flame Tree flowers are red, but the more rare var. flav...
Plants, Trees, Flowers, A Flame Tree, Flamboyant, or Royal Poinciana Tree, Delonix regia var. flavida, in bloom in the Dominican Republic. Most Flame Tree flowers are red, but the more rare var. flav...
Plants, Trees, Flowers, A Flame Tree, Flamboyant, or Royal Poinciana Tree, Delonix regia var. flavida, in bloom in the Dominican Republic.  Most Flame Tree flowers are red, but the more rare var. flav...
Plants, Trees, Flowers, A Flame Tree, Flamboyant, or Royal Poinciana Tree, Delonix regia var. flavida, in bloom in the Dominican Republic. Most Flame Tree flowers are red, but the more rare var. flav...
Plants, Trees, Flowers, A Flame Tree, Flamboyant, or Royal Poinciana Tree, Delonix regia var. flavida, in bloom in the Dominican Republic.  Most Flame Tree flowers are red, but the more rare var. flav...
Plants, Trees, Flowers, A Flame Tree, Flamboyant, or Royal Poinciana Tree, Delonix regia var. flavida, in bloom in the Dominican Republic. Most Flame Tree flowers are red, but the more rare var. flav...
Plants, Trees, Flowers, A Flame Tree, Flamboyant, or Royal Poinciana Tree, Delonix regia, in bloom in the Dominican Republic.
Plants, Trees, Flowers, A Flame Tree, Flamboyant, or Royal Poinciana Tree, Delonix regia, in bloom in the Dominican Republic.
Plants, Trees, Flowers, A Flame Tree, Flamboyant, or Royal Poinciana Tree, Delonix regia, in bloom in the Dominican Republic.
Plants, Trees, Flowers, A Flame Tree, Flamboyant, or Royal Poinciana Tree, Delonix regia, in bloom in the Dominican Republic.
Plants, Trees, Flowers, A Flame Tree, Flamboyant, or Royal Poinciana Tree, Delonix regia, in bloom in the Dominican Republic.
Plants, Trees, Flowers, A Flame Tree, Flamboyant, or Royal Poinciana Tree, Delonix regia, in bloom in the Dominican Republic.
Plants, Trees, Flowers, A Flame Tree, Flamboyant, or Royal Poinciana Tree, Delonix regia, in bloom in the Dominican Republic.
Plants, Trees, Flowers, A Flame Tree, Flamboyant, or Royal Poinciana Tree, Delonix regia, in bloom in the Dominican Republic.
Plants, Trees, Flowers, A Flame Tree, Flamboyant, or Royal Poinciana Tree, Delonix regia, in bloom in the Dominican Republic.
Plants, Trees, Flowers, A Flame Tree, Flamboyant, or Royal Poinciana Tree, Delonix regia, in bloom in the Dominican Republic.
Plants, Trees, Flowers, A Flame Tree, Flamboyant, or Royal Poinciana Tree, Delonix regia, in bloom in the Dominican Republic.
Plants, Trees, Flowers, A Flame Tree, Flamboyant, or Royal Poinciana Tree, Delonix regia, in bloom in the Dominican Republic.
Guyana, Demerara-Mahaica Region, Georgetown, Silk Cotton or Kapok tree, Ceiba pentandra, in the Botanical Gardens. In the foreground are lotus plants.
Guyana, Demerara-Mahaica Region, Georgetown, Silk Cotton or Kapok tree, Ceiba pentandra, in the Botanical Gardens. In the foreground are lotus plants.
Anemone hupehensis var. japonica, Side on view of a single pink japanese anemone, shot against a painterly effect green background.
Anemone hupehensis var. japonica, Side on view of a single pink japanese anemone, shot against a painterly effect green background.
Ranucuclus, Persian buttercup, a Ranunculus asiaticus, orange flower against a solid black background.
Ranucuclus, Persian buttercup, a Ranunculus asiaticus, orange flower against a solid black background.
Ranucuclus, Persian buttercup, a Ranunculus asiaticus, black and white against a solid black background.
Ranucuclus, Persian buttercup, a Ranunculus asiaticus, black and white against a solid black background.
Hosta, spikey flowerhead not yet opened.
Hosta, spikey flowerhead not yet opened.
Black-eyed Susan, Rudbeckia hirta 'Moreno', orange tinged mahogony flower showing ring of yellow stamens around the black cone.
Black-eyed Susan, Rudbeckia hirta 'Moreno', orange tinged mahogony flower showing ring of yellow stamens around the black cone.
Sea holly, Eryngium variifolium close up of flower. ,
Sea holly, Eryngium variifolium close up of flower. ,
Sea holly, Eryngium variifolium close up of flower.
Sea holly, Eryngium variifolium close up of flower.
Sea holly, known as Miss Wilmott's ghost, Eryngium giganteum.
Sea holly, known as Miss Wilmott's ghost, Eryngium giganteum.
Variegated Sword Lily, Furcraea selloa var. marginata, close up detail of leaves.
Variegated Sword Lily, Furcraea selloa var. marginata, close up detail of leaves.
Blackthorn or Sloe, Prunus spinosa, blossom on bare wood twigs against a blue sky.
Blackthorn or Sloe, Prunus spinosa, blossom on bare wood twigs against a blue sky.
Blackthorn or Sloe, Prunus spinosa, blossom on bare wood twigs against a blue sky.
Blackthorn or Sloe, Prunus spinosa, blossom on bare wood twigs against a blue sky.
Sea holly, known as Miss Wilmott's ghost, Eryngium giganteum, single silvery flower showing central cone and spikey skirt or bract. A bee and other insects are feeding on the nectar.
Sea holly, known as Miss Wilmott's ghost, Eryngium giganteum, single silvery flower showing central cone and spikey skirt or bract. A bee and other insects are feeding on the nectar.