Resources and Outreach
Publications (*Undergraduate Students, *Graduate Students)
Kociolek, J.P., van de Vijver, B., Hamsher, S., Miller, S.R. & Li, J. (2026). Observations on the type population of Epithemia rupestris W.Smith (Rhopalodiaceae, Bacillariophyta) using light and scanning electron microscopy. Diatom Research. 10.1080/0269249X.2026.2665160
Kociolek, J. P., Hamsher, S. E., Edlund, M. B., Greenwood, M., Sauer, H. M., Miller, S. R., & Li, J. (2026). Light and scanning electron microscopic observations on auxospores of two Epithemia species (Rhopalodiales, Bacillariophyta). Phycologia.10.1080/0269249X.2026.2659836
Chang, A. C. G., Abresch, H.,* Amaral, M. W. W., Keepers, K., *Greenwood, M., Li, J., Hamsher, S. E., Miller, S. R., & Kociolek, J, P. (2026). Genomic and Morphological evidence supports Rhopalodia californica sp. nov. as a divergent lineage within Rhopalodiales. Frontiers in Ecology and Evolution.10.3389/fevo.2026.1771974
*Greenwood, M., Vouilloud, A., Serino, F., Guerrero, J., Sala, S. E., Buzcko, K., Hamsher, S. E., Li, J., Miller, S. R., & Kociolek, J. P. (2026). Light and scanning electron microscopical observations on Epithemia argentina Brun (Bacillariophyceae: Rhopalodiales) and consideration of its systematic position. Phycological Research. 74: 163–174. 10.1111/pre.70034
Chang, A. C.G., *Amaral, M. W.W., Keepers, K., *Ikudaisi, C., *Greenwood, M., Li, J., Hamsher, S. E., Miller, S., & Kociolek, J. P. (2026). An alternative technique for organelle genome recovery in diatoms using culture-independent, minimal-cell whole genome amplification. PeerJ. 14: e20767. 10.7717/peerj.20767
Kociolek, J. P., *Greenwood, M., Vouilloud, A. A., Guerrero, J., Sala, S. E., Serino, F., Hamsher, S. E., Miller, S., Li, J., Chang, A. C.G., & Borsa, T. (2026) Valve ultrastructure and systematic position of Rhopalodia wetzelii Hustedt (Rhopalodiales, Bacillariophyceae). Proceedings of the Academy of Natural Sciences. 169: 41–48. 10.1635/053.169.0104
Kociolek, J.P. & Guiry, M.D. (2026). A replacement name for Epithemia capitata Kociolek & al. 2025, nom. illeg. (Rhopalodiaceae, Bacillariophyceae). Notulae Algarum 401: 1-2. ISSN 2009-8987
Kociolek, J. P., Buczko, K., *Greenwood, M., Hamsher, S. E., Miller, S. R., & Li, J. (2025). Observations and typification of diatoms of the Order Rhopalodiales (Bacillariophyta) in the Josef Pantocsek Collection, Hungarian Natural History Museum. II. Epithemia species from Kerch: Significant morphological variation across taxa referred to the genus Rhopalodia and the description of a new genus. Diatom Research. 41: 97–115. 10.1080/0269249X.2025.2556688
Liu, Q., Ren, J., Feng, J., Ly, J., Liu, Y., *Greenwood, M., Hamsher, S. E., Miller, S. R., Li, J., Xie, S., & Kociolek, J. P. (2025). Three new species of the diatom genus Epithemia Brébisson ex Kützing (Bacillariophyceae; Rhopalodiales) from Yunnan Province, China. Journal of Oceanology and Limnology. 10.1007/s00343-025-5060-x
Kociolek, J. P., *Greenwood, M., Chang, A. C.G., Hamsher, S. E., Miller, S. R., & Li, J. (2025). Taxonomy, systematics and valve ultrastructure of the Rhopalodiales (Bacillariophyta: Bacillariophyceae) taxa from Swan Lake, Oregon, and a checklist of the group in the USA. Journal of Micropaleontology, 44, 653-672. 10.5194/jm-44-653-2025
Li, K., Zhou, Y., Chang, A.C.G., *Amaral, M.W.W., Keepers, K.G., Nan, F., Liu, X., Wang, J., Xie, S., Kociolek, J.L. & Liu, Q. (2025). Morphology, phylogeny and organelle genomics of three new Rhopalodia species (Rhopalodiales, Bacillariophyceae). Journal of Phycology. 61: 1767–1784. 10.1111/jpy.70114
Kociolek, J. P., Buczko, K., *Greenwood, M., Hamsher, S. E., Miller, S. R., & Li, J. (2025). Observations and typification of diatoms or the Order Rhopalodiales (Bacillariophyta) in the Josef Pantocsek Collection, Hungarian Natural History Museum. I. Epithemia species from Élesd. Diatom Research, 40(3), 221-228. 10.1080/0269249X.2025.2480138
*Amaral, M. W.W., Chang, A. C.G., Keepers, K. G., Ashworth, M. P., Frankovich, T. A., Hamsher, S. E., Miller, S. R., Li, J., & Kociolek, J. P. (2025). Complete chloroplast genomes of two closely related diatoms, Nitzschia nienhuisii andEpithemia catenata. Mitochondrial DNA Part B, 10, 1259-1263. 10.1080/23802359.2025.2594288
Jüttner, I., Van de Vijver, B., Williams, D.M., Cesar, E. & Kociolek, J.P. (2025). Morphological investigation of the type material of Epithemia hyndmanii W.Smith and comments on the type of Epithemia proboscidea Kützing and Epithemia smithii Carruthers. Notulae Algarum 379: 1-15. ISSN 2009-8987
Kociolek, J. P., **Ruppert, R., Hamsher, S. E., *Greenwood, M., Miller, S. R., Li, J., & Taylor, J. C. (2025) A consideration of Epithemia reicheltii (Rhopalodiales, Bacillariophyceae) and the description of two new species of the genus. Phycologia. 10.1080/00318884.2025.2503038
Chang, A. C. G., *Amaral, M. W. W., Keepers, K. G., *Greenwood, M., Li, J., Hamsher, S. E., Miller, S. R., & Kociolek, J. P. (2025) Integrative taxonomy, whole organelle genomes and endosymbiosis in Rhopalodia sterrenburgii Krammer. Frontiers in Protistology. 10.3389/frpro.2025.1663791
Chang, A. C. G., *Amaral, M. W.W., *Ikudaisi, C., Li, J., Hamsher, S. E., Miller, S., & Kociolek, J. P. (2025) Evolutionary dynamics in plastomes and mitogenomes of diatoms. PLOS One. 20: e0331749.10.1371/journal.pone.0331749
**Moore, M., *Greenwood, M., Kociolek, J. P., Hamsher, S. E., Miller, S., & Li, J. (2025). A new fossil species of Rhopalodia O. Müller (Bacillariophyceae, Rhopalodiales) from Mexico. Diatom Research.10.1080/0269249X.2025.2478955
Kociolek, J. P., Sala, S. E., Guerrero, J., Uyua, N., Hamsher, S. E., Miller, S., Li, J., & Borsa, T. (2025). Valve ultrastructure, systematics, and diversity of the Rhopalodiales. I. Introduction and consideration of morphological groups within the genus Epithemia Brébisson ex Kützing. Nova Hedwigia.120: 109-185. 10.1127/nova_hedwigia/2026/1016
*Abresch, H., Bell, T. & Miller, S.R. (2024). Diurnal transcriptional variation is reduced in a nitrogen-fixing diatom endosymbiont. Isme J. 18: wrae064. 10.1093/ismejo/wrae064
Kociolek, J. P., *Greenwood, M., **Rodgers, D., Hamsher, S. E., Miller, S., Li, J., Chang, A. C.G., & Taylor, J. (2024). Light and scanning electron microscope observations on a Denticula species reported from South Africa and endemism of the diatom genus Tetralunata (Rhopalodiales, Bacillariophyceae). Phytotaxa. 652: 284–292. https://doi.org/10.11646/phytotaxa.652.4.4
Kociolek, J. P., Williams, D. M., Hamsher, S. E., Miller, S., & Li, J. (2024). Studies on type material from Kützing’s diatom collection VIII. Species assigned to the genera Epithemia Brébisson ex Kützing and Rhopalodia O. Müller. Diatom Research. 39: 159-186. 10.1080/0269249X.2024.2388108
Kociolek, J.P., Greenwood, M.*, Hamsher, S. E., Miller, S. & Li, J. (2024). Valve ultrastructure of Rhopalodia constricta (W.Smith) Krammer (Rhopalodiales, Bacillariophyceae) and a consideration of its systematic placement. Diatom Research. 39: 51–60. https://doi.org/10.1080/0269249X.2024.2378769
Kociolek, J.P. & Van De Vijver, B. (2023). Valve morphology and typification of Epithemia eugeniae W. Smith, a forgotten diatom species described from the Pyrenees Mountains in France (Rhopalodiaceae, Bacillariophyta). Notulae Algarum 295: 1-6. ISSN 2009-8987