amphibious watercress
Rorippa amphibia
cast iron plant
Aspidistra elatior
clivia
Clivia miniata
common maidenhair
Adiantum aethiopicum
english ivy
Hedera helix
gotu kola
Centella asiatica
hellebores
Helleborus orientalis
hosta
Hosta plantaginea
impatiens
Impatiens walleriana
maidenhair fern
Adiantum raddianum
miner's lettuce
Claytonia perfoliata
mitsuba
Cryptotaenia japonica
soft tree fern
Dicksonia antarctica
sweet woodruff
Galium odoratum