CO2 Science

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

	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
Vaccinium myrtillus [Whortleberry]	2	47%	9.2%
Vallisneria natans [Tape Grass]				1	20%	0%
Velvetgrass, Common [Holcus lanatus]	1	85%	0%
Velvet Leaf [Abutilon theophrasti]	6	46.7%	10.3%	1	58%	0%
Vernal Grass, Sweet [Anthoxanthum odoratum]	1	109%	0%
Vernonia herbacea [Fructan Accumulating Plant ]	1	50%	0%
Vetch, Common Kidney [Anthyllis vulneraria]	4	27.8%	10.3%
Viburnum marisii [Flowering Shrub]	1	63%	0%
Vicia faba [Faba Bean]	7	52.3%	10.5%	4	100.5%	11.9%
Vigna radiata [Mungbean]	17	50.2%	11.7%	1	200%	0%
Vigna unguiculata [Blackeyed Pea]	5	65.6%	14.9%
Virola surinamensis [Tropical Tree]	1	31%	0%
Vitis labrusca [Concord Grape]	1	18%	0%
Vitis vinifera [Grapevine, Common]	9	101%	15.6%
Vitis californica [California Wild Grape]	1	57%	0%
Vitis L. hybrid [Remaily Seedless Grapevine]							1	320%	0%
Vulpia microstachys [Small Fescue]	1	125%	0%