| Tree Root and Stability Studies | Lifetime | 2 | US 1 | 99.83 |
| Botanical Research and Applications | Lifetime | 13 | US 3 | 99.45 |
| Forest ecology and management | Lifetime | 27 | US 7 | 99.74 |
| Plant Diversity and Evolution | Lifetime | 21 | US 12 | 99.56 |
| Plant Surface Properties and Treatments | Lifetime | 11 | US 3 | 99.40 |
| Leaf Properties and Growth Measurement | Lifetime | 13 | US 4 | 99.57 |
| Plant Reproductive Biology | Lifetime | 102 | US 38 | 99.26 |
| Ecology and Vegetation Dynamics Studies | Lifetime | 169 | US 57 | 99.56 |
| Aeolian processes and effects | Lifetime | 60 | US 26 | 98.87 |
| Biocrusts and Microbial Ecology | Lifetime | 45 | US 14 | 98.53 |
| Plant and animal studies | Lifetime | 342 | US 134 | 99.30 |
| Plant Water Relations and Carbon Dynamics | Lifetime | 200 | US 82 | 99.36 |
| Plant Physiology and Cultivation Studies | Lifetime | 245 | US 77 | 98.62 |
| Botany and Plant Ecology Studies | Lifetime | 414 | US 81 | 97.80 |
| Wood Treatment and Properties | Lifetime | 131 | US 24 | 97.78 |
| Plant Molecular Biology Research | Lifetime | 668 | US 181 | 98.00 |
| Greenhouse Technology and Climate Control | Lifetime | 251 | US 69 | 96.05 |
| Plant and Fungal Species Descriptions | Lifetime | 296 | US 101 | 96.45 |
| Polysaccharides and Plant Cell Walls | Lifetime | 565 | US 112 | 96.20 |
| Bamboo properties and applications | Lifetime | 112 | US 12 | 95.45 |
| Marine and coastal plant biology | Lifetime | 723 | US 220 | 96.31 |
| Paleontology and Stratigraphy of Fossils | Lifetime | 890 | US 275 | 95.92 |
| Geological Studies and Exploration | Lifetime | 994 | US 241 | 94.61 |
| Bioenergy crop production and management | Lifetime | 570 | US 272 | 93.85 |
| Botany, Ecology, and Taxonomy Studies | Lifetime | 707 | US 409 | 93.95 |
| Plant responses to water stress | Lifetime | 667 | US 141 | 93.68 |
| Soil Mechanics and Vehicle Dynamics | Lifetime | 695 | US 176 | 92.20 |
| Botany and Geology in Latin America and Caribbean | Lifetime | 167 | US 64 | 88.81 |
| Fern and Epiphyte Biology | Lifetime | 678 | US 194 | 88.66 |
| Plant Taxonomy and Phylogenetics | Lifetime | 991 | US 275 | 87.09 |
| Plant and Biological Electrophysiology Studies | Lifetime | 495 | US 163 | 87.15 |
| Ecology and Vegetation Dynamics Studies | 2021-2025 | 315 | US 55 | 96.46 |
| Leaf Properties and Growth Measurement | 2021-2025 | 46 | US 4 | 94.54 |
| Plant Water Relations and Carbon Dynamics | 2021-2025 | 376 | US 74 | 95.29 |
| Forest ecology and management | 2021-2025 | 628 | US 90 | 86.42 |
| Tree Root and Stability Studies | 2021-2025 | 332 | US 17 | 82.33 |
| Plant and Biological Electrophysiology Studies | 2021-2025 | 591 | US 91 | 40.19 |
