R. WellsNymphaea species
from Coffey and Clayton, 1988P. cheesemanii
J. ClaytonM. propinquum and M. triphyllum
from Coffey and Clayton, 1988Lake view of M. propinquum and M. triphyllum
J. ClaytonStem apex of H. verticillata
J. ClaytonL. major shoot
J. ClaytonL. major in Lake Rotoma
R. WellsStem apices of E. canadensis
from Coffey and Clayton, 1988Leaves of Vallisneria gigantea
NIWAP. crispus
R. WellsR. trichopllyus
J. ClaytonR. trichopllyus
