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

P

   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 
Pachysandra terminalis [Japanese Spurge] 170%0%        
Paederia scandens [Chinese Fever Vine] 13%0%        
Panicgrass, Blue [Panicum antidotale] 2-2.5%4.6%        
Panicgrass, Fall [Panicum dichotomiflorum] 118%0%        
Panicgrass, Lax [Panicum laxum] 28.5%5.3%        
Panicum antidotale [Blue Panicgrass] 2-2.5%4.6%        
Panicum dichotomiflorum [Fall Panicgrass] 118%0%        
Panicum laxum [Lax Panicgrass] 28.5%5.3%        
Panicum maximum [Guineagrass] 216%3.5%        
Panicum miliaceum [Broomcorn Millet] 212%2.1%        
Panicum virgatum [Switchgrass] 164%0%        
Papaya [Carica papaya]            
Parmelia caperata [Foliose Lichen] 116%0% 127%0%    
Parmelia kurokawae [Foliose Lichen] 130%0% 143%0%    
Parmelia praesignis [Flavopunctelia Lichen] 160%0% 187%0%    
Parmelia reticulata [Netted Rimelia Lichen] 163%0% 1100%0%    
Pascopyrum smithii [Western Wheatgrass] 661.2%14.9%        
Paspalum dilatatum [Dallas Grass] 480.8%18.4%        
Paspalum notatum [Bahiagrass] 124%0%        
Pea, Blackeyed [Vigna unguiculata] 565.6%14.9%        
Peach [Prunus persica] 437.5%8.7%        
Pea, Garden [Pisum sativum] 437.8%5% 560.2%23.8%    
Peanut [Arachis hypogaea] 744.3%8.6%     1-27%0%
Peanut, Rhizoma 140%0%        
Pei Lan [Eupatorium japonicum] 421.5%6.8%        
Pelargonium [Pelargonium x hortorum] 319.3%8.8% 389.7%63.4%    
Pelargonium x hortorum [Pelargonium] 319.3%8.8% 389.7%63.4%    
Peltigera canina [Felt Lichen] 124%0% 140%0%    
Peltigera membranacea [Membraneous Felt Lichen] 183%0% 1175%0% 1250%0%
Peltigera polydactyla [Foliose Lichen] 183%0% 1175%0% 1250%0%
Peltigera rufescens [Felt Lichen] 183%0% 1175%0% 1250%0%
Pelvetia canaliculata [Channelled Wrack] 157%0%        
Pencil Flower [Stylosanthes hamata] 144%0%        
Pepino [Solanum muricatum] 274%7.1% 270%5.7%    
Pepper, Bell [Capsicum annuum] 538.4%9.5% 3295.7%77.8% 143%0%
Pepper, Jamaican [Piper hispidum] 277.5%15.9%        
Pepper, Vera Cruz [Piper auritum] 267.5%5.3%        
Perennial Herb [Sedum alfredii] 185%0%        
Petalostemum villosum [Silky Prairie Clover] 132%0%        
Phalaenopsis [Orchid] 2191%2.1%        
Phalaris arundinacea [Canary Grass] 3229.6%2%        
Phalaris aquatica [Harding Grass] 239.5%17.3%        
Phaseolus lunata [Lima Bean]     29%5.7%    
Phaseolus vulgaris [Garden Bean] 2455.8%10.3% 4158.3%18.8% 2-9.5%6.7%
Phillyrea angustifolia [False Olive] 275%10.6%        
Phleum pratense [Timothy] 330.3%3.2%        
Phyllanthus emblica [Emblic] 271%21.9%        
Phytolacca americana [American Pokeweed] 156%0%        
Picea glauca [White spruce] 1197%0%        
Picea abies [Norway Spruce] 1652.6%5.8%        
Picea koraiensis [Spruce] 173%0%        
Picea mariana [Black Spruce] 533.6%9.2%        
Picea sitchensis [Sitka Spruce] 223%4.2%        
Pigeonpea [Cajanus cajan] 3115%25.5%        
Pimpernel, Scarlet [Anagallis arvensis] 145%0%        
Pine, Swiss Mountain [Pinus mugo] 154%0%        
Pineapple [Ananas comosus] 3168.3%55.8%        
Pineapple Guava [Feijoas sellowiana] 155%0%        
Pine, Eldarica [Pinus eldarica] 2133%0% 2258.5%6% 2357.5%30.1%
Pine, Jack [Pinus baksiana] 434.8%6.2%        
Pine, Japonese Red [Pinus densiflora] 526.4%8%        
Pine, Korean [Pinus koraiensis] 358.3%9.7%        
Pine, Loblolly [Pinus taeda] 4887.6%9.8% 5230.4%96%    
Pine, Longleaf 141%0%        
Pine, Merkus [Pinus merkusii] 244.5%3.2%        
Pine, Mexican Yellow [Pinus patula] 147%0%        
Pine, Monterey [Pinus radiata] 1340.2%3.8%        
Pine, Mountain [Pinus uncinata] 244%7.1%        
Pine, Ponderosa [Pinus ponderosa] 1045.9%8.8%        
Pine, Scots [Pinus sylvestris] 2270.1%25.2%        
Pinus mugo [Pine, Swiss Mountain] 154%0%        
Pinus tabulaeformis [Chinese Red Pine] 459%7.7%        
Pinus banksiana [Pine, Jack] 434.8%6.2%        
Pinus densiflora [Pine, Japonese Red] 526.4%8%        
Pinus eldarica [Pine, Eldarica] 2133%0% 2258.5%6% 2357.5%30.1%
Pinus koraiensis [Pine, Korean] 358.3%9.7%        
Pinus merkusii [Pine, Merkus] 244.5%3.2%        
Pinus patula [Mexican Yellow Pine] 147%0%        
Pinus ponderosa [Ponderosa Pine] 1045.9%8.8%        
Pinus radiata [Monterey Pine] 1340.2%3.8%        
Pinus sylvestris [Scots Pine] 2270.1%25.2%        
Pinus taeda [Loblolly Pine] 4887.6%9.8% 5230.4%96%    
Pinus uncinata [Mountain Pine] 244%7.1%        
Pioneer Tropical Tree [Nauclea diderrichii] 369.7%2.2%        
Piper auritum [Vera Cruz Pepper] 267.5%5.3%        
Piper hispidum [Jamaican Pepper] 277.5%15.9%        
Pipeweed, Native American [Eriogonum inflatum] 242.5%15.9%        
Pisum sativum [Garden Pea] 437.8%5% 560.2%23.8%    
Plantago asiatica [Plantago Asiatica] 238%4.9%        
Plantago erecta [Dwarf Plantain] 143%0%        
Plantago lanceolata [Narrowleaf Plantain] 767.6%21.3%        
Plantago maritima [Sea Plantain] 1-30%0%        
Plantain, Dwarf [Plantago erecta] 143%0%        
Plantain, Narrowleaf [Plantago lanceolata] 767.6%21.3%        
Plantain, Sea [Plantago maritima] 1-30%0%        
Platanus occidentalis [American Sycamore] 160%0%        
Poa annua [Annual Bluegrass] 662%14%        
Poa cookii [Bluegrass] 155%0%        
Poa pratensis [Kentucky Bluegrass] 7146.6%36.7%        
Poa trivialis [Rough Bluegrass] 141%0%        
Poison Ivy [Toxicodendron radicans] 1116%0%        
Polygonum cuspidatum [Japanese Knotweed] 332.7%3.5%        
Polygonum sachalinense [Giant Knotweed] 546.6%8.3%        
Polygoum persicaria [Spotted Ladysthumb] 2-2.5%1.8%        
Po'ola [Claoxylon sandwicense] 3100%12.5% 1130%0%    
Poplar, Black [Populus nigra] 673.2%18.3%        
Poplar, Hybrid [Populus trichocarpa x populus deltoides] 237.5%8.8%        
Poplar, Robusta [Populus euramericana] 2874.5%13.2%        
Poplar, White [Populus alba] 679.8%16.4%        
Poplar, Yellow [Liriodendron tulipifera] 1364.4%12.4%        
Populus tremula x alba [Hybrid Poplar] 123%0%        
Populus tremula x populus tremuloides [Hybrid Aspen] 1113%0%        
Populus alba [White Poplar] 679.8%16.4%        
Populus cathayanna [Poplar] 924.6%4.4%        
Populus deltoides [Eastern Cottonwood] 932.6%6.6%     7121.6%20.4%
Populus euramericana [Robusta Poplar] 2874.5%13.2%        
Populus fremontii [Fremont's Cottonwood] 330.7%15.9%        
Populus grandidentata [Bigtooth Aspen] 3181.7%60.7%        
Populus nigra [Black Poplar] 673.2%18.3%        
Populus tremula x Populus tremula [Hybrid Aspen] 328.7%3.3%        
Populus tremuloides [Quaking Aspen] 5480.3%10.7%        
Populus trichocarpa x populus deltoides [Hybrid Poplar] 237.5%8.8%        
Potato, Sweet [Ipomoea batatas] 539.4%10.8%        
Potato, White [Solanum tuberosum] 2845%6.4% 22.5%1.1%    
Potentilla crantzii [Alpine Cinquefoil] 125%0%        
Prickly Pear [Opuntia ficus-indica] 726.7%4.3%        
Prochlorococcus [Marine Picocyanobacterium] 25.5%2.5%        
Protoceratium reticulatum [Dinoflagellate]     141%0%    
Prunus armeniaca [Apricot] 462.8%4.2% 497.5%9.7%    
Prunus avium [Sweet Cherry] 138%0%        
Prunus persica [Peach] 437.5%8.7%        
Prunus serotina [Black Cherry] 363.7%5.7%        
Pseudobombax septenatum [Tropical Tree] 168%0%        
Pseudopanax arboreus [Puahou] 169%0%        
Pseudotsuga menziesii [Douglas Fir] 1732%5.3% 292.5%5.3% 2118.5%4.6%
Psychotria limonensis [Forest Shrub] 165%0%        
Pteridium aquilinum [Bracken] 893.8%7.3%        
Puahou [Pseudopanax arboreus] 169%0%        
Puccinellia maritima [Seaside Alkaligrass] 584%17.8%        
Purging Nut [Jatropha curcas] 460.8%10.9%        
Pyropia haitanensis [Red Seaweed] 129%0%        
Pyrrosia piloselloides [Tropical Fern] 119%0%        
Pyrus pyrifolia [Asian Pear] 464.5%8.5%     2131.5%11%

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