@misc{indiciae424a48ef8b41,
  title = {Carbon isotope trends across a century of herbarium specimens suggest CO2 fertilization of C4 grasses.},
  author = {Isa del Toro and Madelon Florence Case and Allison Karp and Jasper Slingsby and A. Carla Staver},
  year = {2024},
  doi = {10.1111/nph.19868},
  url = {https://pubs.usgs.gov/publication/70254538},
  note = {Source identifier: 70254538}
}