- Aconogonon × fennicum
- Aralia racemosa - American spikenard
- Arisaema triphyllum - Jack-in-the-pulpit
- Aruncus dioicus - goat’s beard
- Aster cordifolius - blue wood aster
- Bergenia cordifolia - Bergenia-Heartleaf / pigsqueak
- Campanula latifolia - bellflower
- Centaurea montana - perennial cornflower (mountain bluet, bachelor’s button)
- Clematis recta - ground clematis
- Corydalis cava - holewort
- Corydalis nobilis - Siberian corydalis
- Epimedium × rubrum - red barrenwort
- Fallopia sachalinensis - giant knotweed
- Filipendula kamtschatica - giant meadowsweet
- Helleborus niger - Christmas rose (black hellebore)
- Hemerocallis esculenta - day lily
- Hemerocallis lilioasphodelus - yellow day lily
- Lamiastrum galeobdolon - yellow archangel
- Leucojum vernum - spring snowflake (St. Joseph’s bells)
- Lilium martagon - Martagon lily (Turk’s cap lily)
- Mercurialis perennis - dog’s mercury
- Meum athamanticum - bearwort, baldmoney or spignel
- Omphalodes verna - blue-eyed Mary (creeping navelwort)
- Paeonia anomala - anomala peony
- Paeonia obovata - woodland peony
- Petasites japonicus - bog rhubarb / fuki / sweet coltsfoot / giant butterbur
- Polygonatum multiflorum - Solomon’s seal
- Prenanthes purpurea - rattlesnake root
- Sambucus ebulus - Danewort, or dwarf elder
- Sasa sp. - bamboo species
- Smilacina racemosa - false Solomon’s seal (treacleberry)
- Soldanella montana - Alpine snowbell (mountain snowbell)
- Symphytum × uplandicum - Russian (also blue, or quaker) comfrey
- Thalictrum rochebruneanum - lavender mist meadow rue
- Tiarella cordifolia - heartleaved foamflower
- Trillium grandiflorum - American wake-robin (great white trillium)
- Valeriana alliariifolia - Valerian species
- Vancouveria hexandra - American barrenwort, or white inside out flower