Plant Photosynthesis (Net CO2 Exchange Rate) Responses
to Atmospheric CO2 Enrichment

D
   300 ppm   600 ppm   900 ppm 
Plant Name  Number of
Studies 		  Arithmetic
Mean 		  Standard
Error 		  Number of
Studies 		  Arithmetic
Mean 		  Standard
Error 		  Number of
Studies 		  Arithmetic
Mean 		  Standard
Error 
Dactylis glomerata [Orchardgrass] 1239.3%7.2%        
Dalbergia latifolia [Indian Rosewood] 19%0%        
Daucus carota [Carrot] 8105.3%38% 5153.4%104.8%    
Dendrosenecio brassica [Afro-alpine Giant Rosette Plant] 165%0%        
Dendrosenecio keniodendron [Afro-alpine Giant Rosette Plant] 152%0%        
Dense Flowerd Cordgrass [Spartina densiflora] 617.5%4.4%        
Desert Eveningprimrose [Oenothera primiveris] 123%0%        
Diazotrophic Cyanobacterium [Crocosphaera watsonii] 271%38.2%        
Dicranum scoparium [Dicranum Moss]     262.5%5.3%    
Dieffenbachia maculata     134%0%    
Digitalis purpurea [Purple Foxglove] 178%0%        
Digitaria sanguinalis [Hairy Crabgrass] 375.3%32.7%        
Dinoflagellate [Protoceratium reticulatum]     141%0%    
Dodonaea viscosa [Florida Hopbush] 142%0%        
Dragons Blood Tree [Croton urucurana] 247%17.7%        
Dropwort [Filipendula vulgaris] 3273.7%81.7%        
Duckweed, Swollen [Lemna gibba] 255.5%3.9%        

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