IMAGE OF
Psammothidium helveticum
(Hustedt) Bukhtiyarova and Round 2007 Category: Monoraphid
BASIONYM: Achnanthes austriaca var. helvetica
LM scalebar = 10 µm
Slide Number: ANSP GC104328b
Site ID: USGS NECB0800ADE0007B
Site Name: MILL RIVER AT SUMMER STREET NEAR BLACKSTONE, MA
Latitude: 42.0408
Longitude: -71.5156
Caption: raphe valve
Contributor: Marina Potapova - May 2010