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

A

   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 
Abelmoschus esculentus [Okra] 127%0%        
Abies fargesii [Faxon Fir] 446.8%22.7%        
Abies alba [Silver Fir] 237.5%15.2%        
Abutilon theophrasti [Velvet Leaf] 646.7%10.3% 158%0%    
Acacia catechu [Black Cutch] 124%0%        
Acacia nigrescens [Knob Thorn] 116%0%        
Acacia melanoxylon [Blackwood] 119%0%        
Acacia minuta [Coastal Scrub Wattle] 121%0%        
Acacia nilotica [Gum Arabic Tree] 471.5%31.2%        
Acer spicatum [Mountain Maple] 121%0%        
Acer mono [Shantung Maple] 440.8%15.1%        
Acer rubrum [Red Maple] 1794.8%22.6%        
Acer saccharinum [Silver Maple] 818.5%7.8%        
Acer saccharum [Sugar Maple] 364%9%        
Achillea millefolium [Yarrow] 527%15.7%        
Ackama rosaefolia [Small Bushy Tree] 1-20%0%        
Acmena acuminatissima [Tree] 240.5%1.1%        
Actinidia deliciosa [Kiwifruit] 1113%0%        
Adenocaulon bicolor [American Trailplant] 238.5%2.5%        
Aechmea [CAM Bromeliad] 158%0%        
African Oil Palm [Elaeis gulneensis] 1105%0%        
Agathis microstachya [Semi-Evergreen Rainforest Tree] 150%0%        
Agathis robusta [Queensland Kauri] 156%0%        
Agave, Desert [Agave deserti] 234.5%3.2%        
Agave deserti [Desert Agave] 234.5%3.2%        
Agave, Pulque [Agave salmiana] 239.5%6.7%        
Agave salmiana [Pulque Agave] 239.5%6.7%        
Agave vilmoriniana [Leaf Succulent] 237.5%26.5%        
Agropyron repens [Couch Grass] 342%18.5%        
Agropyron smithii [Western Wheatgrass] 2-4.5%6%        
Agrostis canina [Velvet Bentgrass] 138%0%        
Agrostis capillaris [Colonial Bentgrass] 346.3%20.2%        
Albizia procera [Tall Albizia] 2121%19.1%        
Albizia, Tall [Albizia procera] 2121%19.1%        
Alder Tree [Alnus maximowiczii] 432.8%5.9%        
Alder [Alnus firma] 483.5%6.4% 1107%0%    
Alder, Black [Alnus glutinosa] 351%11.8%        
Alder, Manchurian [Alnus hirsuta] 1123.1%11.8%        
Alder, Red [Alnus rubra] 873.9%10.6%        
Alfalfa [Medicago sativa] 1924.6%3.8%        
Alkaligrass, Seaside [Puccinellia maritima] 584%17.8%        
Allium cepa [Onion]     122%0%    
Alnus maximowiczii [Alder Tree] 432.8%5.9%        
Alnus firma [Alder] 483.5%6.4% 1107%0%    
Alnus glutinosa [Black Alder] 351%11.8%        
Alnus hirsuta [Manchurian Alder] 1123.1%11.8%        
Alnus rubra [Red Alder] 873.9%10.6%        
Alocasia macrorrhiza [Giant Taro] 279%18.4%        
Alternanthera crucis [West Indian Joyweed] 191%0%        
Amaranth, Grain [Amaranthus hypochondriacus] 19%0%        
Amaranth, Redroot [Amaranthus retroflexus] 510.2%4.2%        
Amaranth, Slim [Amaranthus hybridus] 22.5%1.8% 123%0%    
Amaranthus viridis [Slender Amaranth] 2-7%6.4%        
Amaranthus hybridus [Slim Amaranth] 22.5%1.8% 123%0%    
Amaranthus hypochondriacus [Grain Amaranth] 19%0%        
Amaranthus retroflexus [Redroot Amaranth] 510.2%4.2%        
Amate [Ficus obtusifolia] 176%0%        
Ambrosia artemisiifolia [Annual Ragweed] 337.7%5.2%        
Ambrosia cordifolia [Tuscon Burr Ragweed] 345.7%3.8%        
Ambrosia dumosa [White Burrobush] 485%28%        
American Pokeweed [Phytolacca americana] 156%0%        
Amorpha canescens [Leadplant] 124%0%        
Anacardium excelsum 119%0%        
Anagallis arvensis [Scarlet Pimpernel] 145%0%        
Ananas comosus [Pineapple] 3168.3%55.8%        
Andropogon gerardii [Big Bluestem] 1423.1%5.7% 1-11%0%    
Andropogon glomeratus [Bushy Bluestem] 2-1%3.5%        
Anemone [Anemone raddeana] 265%24.7%        
Anemone cylindrica [Candle Anemone] 357.3%18.5%        
Anemone raddeana [Anemone] 265%24.7%        
Anthoxanthum odoratum [Sweet Vernal Grass] 1109%0%        
Anthyllis vulneraria [Common Kidney Vetch] 427.8%10.3%        
Antirrhoea trichantha 133%0%        
Apple 2105.5%18.7% 2224.5%39.2% 2366%79.2%
Apricot [Prusus armeniaca] 462.8%4.2% 497.5%9.7%    
Arabidopsis thaliana [Mouse Ear Cress] 1054.4%15.4% 2163%46.7%    
Arachis hypogaea [Peanut] 744.3%8.6%     1-27%0%
Arbutus unedo [Strawberry Tree] 491.3%32.1%        
Argyrodendron [Boonje Rainforest Tree]     462.3%9.7%    
Argyrodendron trifoliolatum [Rainforest Tree]     465.5%3.9%    
Armeria maritima [Thrift Seapink] 146%0%        
Arrhenatherum elatius [Tall Oatgrass] 139%0%        
Artemisia tridentata [Big Sagebrush] 231%12.7%        
Ascophyllum nodosum [Knotted Wrack] 139%0%        
Ash, Green [Fraxinus lanceolata] 160%0%        
Ash, Green [Fraxinus pennsylvanica] 562.4%12.9%        
Asian Pear [Pyrus pyrifolia] 464.5%8.5%     2131.5%11%
Asparagus, Garden [Asparagus officinalis] 125%0% 175%0%    
Asparagus officinalis [Garden Asparagus] 125%0% 175%0%    
Aspen, Bigtooth [Populus grandidentata] 3181.7%60.7%        
Aspen, Hybrid [Populus tremula x Populus tremula] 328.7%3.3%        
Aspen, Quaking [Populus tremuloides] 5480.3%10.7%        
Aster, Sea [Aster tripolium] 865.8%21.5%        
Atriplex nummularia [Old Man Saltbush] 311.3%4.6%        
Aulonemia aristulata [Bamboo] 161%0%        
Avena barbata [Slender Oat] 252%5.7%        
Avena fatua [Wild Oat] 253%11.3%        
Avena sativa [Red Oat] 232.5%3.9%        
Avens [Geum reptans] 184%0%        
Azolla pinnata [Water Fern] 235%24.7%        

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