Callitriche stagnalis Scop.

m
us
PLANTS OF WASHINGTON, USA
Callitriche stagnalis Scop,
det.: S.R. Hill Dec. 2000 Callitrichaceae
WASHINGTON: COWLITZ COUNTY ca. 46°15'N; 122°
15' W. Mount St. Helens National Monument, N side
WA Rt. 504; drainage (valley) of the N Fork of Toutle
River. Elev. ca. 3200 ft. At SE point of Coldwater Lake
area, near milepost 43. West Cascade Range & Crest
Ecoregion. Volcanic ash, mud and small rocks near
small stream. Within eruption blast zone. Water probably
with high mineral, sulphur content.
Successional marsh along small stream, S facing, N side
of road. Locally common aquatic herb, stem apices
floating in iron-rich stream, in large masses.
Steven R. Hill 32842
David S. Barrington
6 August 2000
04214280