| |
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 |
| Radish, Wild [Raphanus raphanistrum] |
2 | 32% | 7.1% |
| | |
| | |
| Radish, Wild [Raphanus sativus] |
8 | 30.4% | 7% |
| | |
| | |
| Radish, Wild [Raphanus sativus x raphanistrum] |
1 | 109% | 0% |
| | |
| | |
| Ragweed, Annual [Ambrosia artemisiifolia] |
3 | 37.7% | 5.2% |
| | |
| | |
| Ragweed, Tuscon Burr [Ambrosia cordifolia] |
3 | 45.7% | 3.8% |
| | |
| | |
| Rainbow Eucalyptus X Red River Gum Hybrid [Eucalyptus deglupta x e. camaldulensis] |
2 | 44% | 20.5% |
| | |
| | |
| Rainforest Tree [Argyrodendron trifoliolatum] |
| | |
4 | 65.5% | 3.9% |
| | |
| Rainforest Tree, Semi-Evergreen [Agathis microstachya] |
1 | 50% | 0% |
| | |
| | |
| Ramalina menziesii [Menzies' Cartilage Lichen] |
1 | 20% | 0% |
1 | 27% | 0% |
| | |
| Rangiora [Brachyglottis repanda] |
1 | 120% | 0% |
| | |
| | |
| Ranunculus acris [Tall Buttercup] |
1 | 36% | 0% |
| | |
| | |
| Ranunculus [Buttercup] |
1 | 47% | 0% |
| | |
| | |
| Ranunculus glacialis [Glacier Buttercup] |
3 | 44% | 8.9% |
| | |
| | |
| Raphanus raphanistrum [Wild Radish] |
2 | 32% | 7.1% |
| | |
| | |
| Raphanus sativus [Wild Radish] |
8 | 30.4% | 7% |
| | |
| | |
| Raphanus sativus x raphanistrum [Wild Radish] |
1 | 109% | 0% |
| | |
| | |
| Ratany, Littleleaf [Krameria erecta] |
4 | 115.8% | 28.6% |
| | |
| | |
| Red Alga [Gracilaria lemaneiformis] |
2 | 20% | 10.6% |
| | |
| | |
| Red Ironbark [Eucalyptus sideroxylon] |
8 | 64.8% | 8.6% |
| | |
| | |
| Red Pitaya [Hylocereus undatus] |
| | |
5 | 63% | 9.8% |
| | |
| Red Seaweed [Hypnea spinella] |
1 | 32% | 0% |
| | |
1 | 37% | 0% |
| Red Seaweed [Pyropia haitanensis] |
1 | 29% | 0% |
| | |
| | |
| Redbud Tree, Eastern [Cercis canadensis] |
3 | 127.3% | 48% |
| | |
| | |
| Redwood, Coastal [Sequoia sempervirens] |
3 | 77.7% | 31.4% |
| | |
| | |
| Redwood, Dawn [Metasequoia glyptostroboides] |
3 | 86.3% | 42.8% |
| | |
| | |
| Reedgrass, Chee [Calamagrostis epigeios] |
1 | 27% | 0% |
| | |
| | |
| Rhaphiolepsis indica [Indian Hawthorn] |
1 | 79% | 0% |
| | |
| | |
| Rhizophora stylosa [Stilted Mangrove] |
2 | 56.5% | 0.4% |
| | |
| | |
| Rhizophora mangle [American Mangrove] |
2 | 11.5% | 0.4% |
| | |
| | |
| Rhytidiadelphus triquetrus [Rough Goose Neck Moss] |
1 | 66% | 0% |
| | |
| | |
| Rice [Oryza sativa] |
86 | 44.9% | 4.6% |
10 | 66% | 9.6% |
1 | 56% | 0% |
| Ricinus communis [Castor Bean] |
2 | 34% | 0% |
| | |
| | |
| Rosa hybrida [Rose] |
1 | 35% | 0% |
3 | 122% | 36.7% |
| | |
| Rose Gum Tree [Eucalyptus urophylla] |
2 | 67.5% | 15.2% |
| | |
| | |
| Rosemary, Wild [Ledum palustre] |
1 | 0% | 0% |
| | |
| | |
| Rose [Rosa hybrida] |
1 | 35% | 0% |
3 | 122% | 36.7% |
| | |
| Rosette Plant, Giant Afro-alpine [Dendrosenecio brassica] |
1 | 65% | 0% |
| | |
| | |
| Rosette Plant, Giant Afro-alpine [Dendrosenecio keniodendron] |
1 | 52% | 0% |
| | |
| | |
| Rosette Plant, Giant Afro-alpine [Lobelia telekii] |
1 | 52% | 0% |
| | |
| | |
| Roundhead Lespedeza [Lespedeza capitata] |
1 | 14% | 0% |
| | |
| | |
| Rudbekia hirta [Blackeyed Susan] |
1 | 5% | 0% |
1 | 45% | 0% |
| | |
| Rumex acetosa [Common Sorrel] |
1 | 53% | 0% |
| | |
| | |
| Ryegrass, Darnel [Lolium temulentum] |
2 | 23.5% | 1.8% |
| | |
| | |
| Ryegrass, Perennial [Lolium perenne] |
32 | 39.8% | 3.7% |
| | |
| | |