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Boehmeria biloba on a roadside stone wall, Izu, Japan
      
  
     
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Ficus invited by Buddha, Tiger Balm Garden, Singapore
      
  
     
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Philodendron acutatum on the brick wall of a former rum distillery, Cayenne, French Guyana
      
  
     
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Nicotiana glauca on old wall, Marseille
      
  
     
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Mosses mounds on tile joints of a roof, Welsh, United Kingdom
      
  
     
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Aeonium ciliatum in a roof gutter, Tenerife, Canary Islands
      
  
     
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Platycerium wallichii on a ceramic dragon head, Doi Chiang Dao cave, Thailand
      
  
     
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Wooden fences covered at the top by epiphtic Riedelia, Orchids, Ferns and Ericaceae collected in the forest, Langda, West Papua
      
  
     
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Balconies totally covered in vegetation, Sao Paulo, Brazil
      
  
     
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Adiantum capillus-veneris at the base of an old dripping wall, Hong Kong
      
  
     
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Algae and mosses on an old dripping concrete façade, Hong Kong
      
  
     
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Algae, mosses and ferns around the fluoresent lamp in a cave, Sarawak, Borneo
      
  
     
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Euphorbia characias on old wall, Majorca
      
  
     
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Asplenium trichomanes between stones of a wall, Monaco
      
  
     
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Mexican Tradescantia (Rhoeo) spathacea colonizing an old brick wall, Ayutthaya temple, Thailand
      
  
     
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Campanula portenschlagiana and Asplenium scolopendrium in a wall crack, Trouville, France
      
  
     
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Campanula portenschlagiana naturalized on a stone wall, Trouville, France
      
  
     
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Elatostema sp leafy during the rainy season, Angkor temple wall, Cambodia
      
  
     
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Capparis spinosa,  Palma de Majorca
      
  
     
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Crambe maritima and Senecio cineraria on an old wall facing the ocean, Biarritz, France
      
  
     
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Tricyrtis hirta through a grid on roadside sustaining wall, Hakone, Japan
      
  
     
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Kaempferia sp with tuber between the stones of  Beng Melea temple, Angkor, Cambodia
      
  
     
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Mosses on joints between hexagonal cement paving stones, New York Botanical Garden, the Bronx, New York
      
  
     
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Statue covered in green algae at cave entrance, Yamaguchi, Japan
      
  
     
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Buddleja japonica on a stone wall along the road, Hakone, Japan
      
  
     
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Tricyrtis hirta on a vertical stone wall, Hakone, Japan
      
  
     
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Primulina dryas growing spontaneously on a building façade, Canton, China, Photo by Claude Antoniazzi
      
  
     
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Corydalis ochroleuca, spontaneous on stone stairs, Saint-Antonin-Noble-Val, France
      
  
     
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Corydalis ochroleuca, flowers close-up, Saint-Antonin-Noble-Val, France
      
  
     
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Herbaceous plants and Ficus benghalensis along a gutter, Mumbai, India
      
  
     
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Ficus benghalensis seedling in a wall fissure, Bombay, India
      
  
     
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Ficus root penetrating a gutter, Halong, Vietnam
      
  
     
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Young Ficus religiosa whose roots are penetrating the old house wall, Mumbai, India
      
  
     
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Loosed stone wall due to the penetration of Lagerstroemia calyculata roots, Angkor, Cambodia
      
  
     
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Ficus religiosa root system covering a tree, grids, wall and sidewalk, Mumbai, India
      
  
     
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Strangling Ficus gibbosa has killed his Tetrameles nudiflora host, Ta Phrom, Angkor, Cambodia
      
  
     
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Tetrameles nudiflora on a crumbled wall of Beng Melea Angkor temple, Cambodia
      
  
     
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Wrapping root system of Tetrameles nudiflora, Ta Phrom, Angkor, Cambodia
      
  
     
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Tetrameles nudiflora , roots wrapping and stabilizing the stones, Ta Prohm temple, Angkor, Cambodia
      
  
     
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Buddha head gently wrapped in Ficus religiosa roots, Ayutthaya, Thailand