CO2 Science

Plant Dry Weight (Biomass) 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]	6	60.7%	10%
Vallisneria americana [American Eelgrass]				1	140%	0%
Vallisneria spinulosa [Submerged Aquatic Macrophyte]				1	129%	0%
Vallisneria tortifolia [Corkscrew Vallisneria]	2	14%	5.7%	2	28.5%	11%	2	42.5%	16.6%
Velvetgrass, Common [Holcus lanatus]	11	38.5%	10.4%
Velvet Leaf [Abutilon theophrasti]	14	32.1%	13.7%				2	26%	0.7%
Vernonia herbacea [Fructan Accumulating Plant]	2	31%	4.2%
Veronica didyma [Gray Field Speedwell]	1	26%	0%
Vetch, Birdfoot Deer [Lotus corniculatus]	8	49.3%	12.9%
Vetch, Bird [Vicia cracca]	1	47%	0%
Vetch, Common Kidney [Anthyllis vulneraria]	6	45.3%	17.5%
Vicia cracca [Bird Vetch]	1	47%	0%
Vicia faba [Faba Bean]	8	57.6%	12.9%
Vicia lathyroides [Spring Vetch]	1	114%	0%
Vigna angularis [Adsuki Bean]	4	60%	5.2%
Vigna mungo [Blackgram]	2	87%	19.8%
Vigna radiata [Mungbean]	28	46.4%	5.4%
Vigna unguiculata [Blackeyed Pea]	24	41.7%	5.7%	1	100%	0%
Viola x wittrockiana [Pansy]	1	30%	0%
Violet, African [Saintpaulia ionantha]				10	73.3%	10.8%
Vitis vinifera [Grapevine, Common]	22	72.5%	15.9%	1	125%	0%
Vulpia microstachys [Small Fescue]	2	-4.5%	8.1%