Velvet water bug
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- Rare, Threatened and Endangered Species of Oregon
- Bioindicators of Water Quality, Quick Reference Guide
- Aquatic Macroinvertebrate Reference Collections Organisms That Could Be in This Reference Collection Are Listed Below
- Wolf River Basin Biotic Inventory and Analysis Report
- Aquatic Macroinvertebrates of the Strawberry River System in North-Central Arkansas George L
- Aquatic Macroinvertebrates Collected from Thirty-Two Missouri Ozark Streams," Journal of the Arkansas Academy of Science: Vol
- Ecological Impacts of Stream Bank Stabilization in a Great Plains River
- Rare, Threatened and Endangered Plants and Animals of Oregon
- Adjacent States Oregon Counties
- Rare, Threatened and Endangered Plants and Animals of Oregon
- Laboubeniales on Semiaquatic Heteroptera. VII. Addenda to Species of Triceromyces on Hydrometridae and Further Observations on Dioecism in the Order Richard K