Callitriche longipedunculata Morong
Annotated by R.V. Lansdown, 2006.

British Columbia: Southeast of Campbell River, in Strait of Georgia, Mitlenatch Island.
50° N, 125° W,
Datum: Unknown. Coordinate Source: Verbatim from Collector/Sheet. Misleading coordinates given only to nearest degree.
Occasional in area manured by sea birds on open, rocky-grassy knolls by sea; mixed with Sagina.

James A. Calder 30506A, 1961 Jun 14
With K.T. MacKay
UBC, Accession: V155164