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| Kingdom Plantae |
| |
Arceuthobium laricis (Piper) H. St. John – not accepted – larch dwarf mistletoe
|
| |
Elymus condensatus f. pubens (Piper) H. St. John – not accepted
|
| |
Galium multiflorum var. puberulum (Piper) H. St. John – not accepted
|
| |
Hackelia venusta (Piper) H. St. John – accepted – lesser showy stickseed, showy stickseed
|
| |
Lathyrus pauciflorus var. tenuior (Piper) H. St. John – not accepted
|
| |
Stellaria viridula (Piper) H. St. John – not accepted |
| |
|
