![Josh 6](https://diatoms.org/images/contributor_portraits/_square600/59/Josh_6.jpg)
Joshua Stepanek
Taxon Contributor
Ph.D. Student University of Colorado
Have you thanked a diatom today?
Species contributed
Amphora copulata | Amphora minutissima | Amphora ovalis | Amphora pediculus | Halamphora coffeaeformis | Halamphora montana | Halamphora normanii | Halamphora oligotraphenta | Halamphora thumensis | Halamphora veneta