Hi greene,
We have several search options but when I want to look at all the plants of a genus here's
one way.
1. Do a simple search for Brunnera.
2. Open any entry, in this case the first plant on your list,
Heartleaf Brunnera (Brunnera macrophylla 'Emerald Mist').
3. Click on the hyperlinked genus name
Brunnera in the name field.
The list that will display is ordered alphabetically by botanical name, then alphabetically by cultivar name.