grain physa
English
Noun
grain physa (plural grain physas or grain physae)
- A freshwater snail, of species Physella hordacea (syn. Physa hordacea), endemic to the northwestern United States.
References
- “grain physa”, in OneLook Dictionary Search.
- Physella on Wikipedia.Wikipedia
- Physella on Wikispecies.Wikispecies
- Category:Physella on Wikimedia Commons.Wikimedia Commons