Science Enabled by Specimen Data

Khoury, C. K., D. Carver, H. R. Kates, H. A. Achicanoy, M. Zonneveld, E. Thomas, C. Heinitz, et al. 2019. Distributions, conservation status, and abiotic stress tolerance potential of wild cucurbits ( Cucurbita L.). PLANTS, PEOPLE, PLANET 2: 269–283. https://doi.org/10.1002/ppp3.10085

Crop wild relatives—wild species closely related to cultivated plants—are valuable genetic resources for crop improvement, but gaps in knowledge constrain their conservation and limit their further use. We develop new information on the distributions, potential breeding value, and conservation statu…

Stull, G. W., B. H. Tiffney, S. R. Manchester, C. D. Rio, and S. L. Wing. 2020. Endocarps of Pyrenacantha (Icacinaceae) from the Early Oligocene of Egypt. International Journal of Plant Sciences 181: 432–442. https://doi.org/10.1086/706854

The fossil record of Pyrenacantha (Phytocreneae tribe, Icacinaceae) includes well-documented species from the Paleogene of North and South America but, to date, no fossils have been described from its present geographic range, the Old World tropics. We document endocarp remains from the early Oligoc…

Afonin, A. N., Y. A. Fedorova, and Yu. S. Li. 2019. Characterization of the Occurrence and Abundance of the Common Ragweed (Ambrosia artemisiifolia L.) with Regard to Assessment of Its Expansion Potential in European Russia. Russian Journal of Biological Invasions 10: 220–226. https://doi.org/10.1134/S2075111719030032

A field study of common ragweed (Ambrosia artemisiifolia L.) in European Russia provided information on the occurrence and abundance of the species and enabled a prediction of the possible boundaries of species naturalization. As a result, the understanding of the ecological limits of common ragweed…

Marconi, L., and L. Armengot. 2020. Complex agroforestry systems against biotic homogenization: The case of plants in the herbaceous stratum of cocoa production systems. Agriculture, Ecosystems & Environment 287: 106664. https://doi.org/10.1016/j.agee.2019.106664

In addition to their potential against deforestation and climate change, agroforestry systems may have a relevant role in biodiversity conservation. In this sense, not only species richness per se, but also community composition, including the distribution range of the species, should be considered.…

Talhinhas, P. 2019. An annotated checklist of rust fungi (Pucciniales) occurring in Portugal. Sydowia An International Journal of Mycology 71: 65–84. https://doi.org/10.12905/0380.sydowia71-2019-0065

In this work we have retrieved and analysed data for 2319 occurrences of rust fungi from 246 Pucciniales taxa in Portugal based on 115 publications and our own surveys, totalizing 683 rust taxon-host taxon unique combinations. This list was updated according to current taxonomic framework and georef…

Grattarola, F., G. Botto, I. da Rosa, N. Gobel, E. González, J. González, D. Hernández, et al. 2019. Biodiversidata: An Open-Access Biodiversity Database for Uruguay. Biodiversity Data Journal 7. https://doi.org/10.3897/bdj.7.e36226

The continental and marine territories of Uruguay are characterised by a rich convergence of multiple biogeographic ecoregions of the Neotropics, making this country a peculiar biodiversity spot. However, despite the biological significance of Uruguay for the South American subcontinent, the distrib…

Folk, R. A., R. L. Stubbs, M. E. Mort, N. Cellinese, J. M. Allen, P. S. Soltis, D. E. Soltis, and R. P. Guralnick. 2019. Rates of niche and phenotype evolution lag behind diversification in a temperate radiation. Proceedings of the National Academy of Sciences 116: 10874–10882. https://doi.org/10.1073/pnas.1817999116

Environmental change can create opportunities for increased rates of lineage diversification, but continued species accumulation has been hypothesized to lead to slowdowns via competitive exclusion and niche partitioning. Such density-dependent models imply tight linkages between diversification and…

Schubert, M., L. Grønvold, S. R. Sandve, T. R. Hvidsten, and S. Fjellheim. 2019. Evolution of Cold Acclimation and Its Role in Niche Transition in the Temperate Grass Subfamily Pooideae. Plant Physiology 180: 404–419. https://doi.org/10.1104/pp.18.01448

The grass subfamily Pooideae dominates the grass floras in cold temperate regions, and has evolved complex physiological adaptations to cope with extreme environmental conditions like frost, winter and seasonality. One such adaptation is cold acclimation, wherein plants increase their frost toleranc…

Margaroni, S., K. B. Petersen, R. Gleadow, and M. Burd. 2019. The role of spore size in the global pattern of co‐occurrence among Selaginella species. Journal of Biogeography 46: 807–815. https://doi.org/10.1111/jbi.13532

Aim: Separation of regeneration niches may promote coexistence among closely related plant species, but there is little evidence that regeneration traits affect species ranges at broad geographical scales. We address patterns of co‐occurrence within the genus Selaginella, an ancient lineage of free‐…

Karger, D. N., M. Kessler, O. Conrad, P. Weigelt, H. Kreft, C. König, and N. E. Zimmermann. 2019. Why tree lines are lower on islands—Climatic and biogeographic effects hold the answer J. Grytnes [ed.],. Global Ecology and Biogeography 28: 839–850. https://doi.org/10.1111/geb.12897

Aim: To determine the global position of tree line isotherms, compare it with observed local tree limits on islands and mainlands, and disentangle the potential drivers of a difference between tree line and local tree limit. Location: Global. Time period: 1979–2013. Major taxa studied: Trees. Method…