Query: what are some Flora of Heilongjiang or Flora of North Korea?
Domain: plants
Relevant documents:
Agrostis vinealis
Ulmus macrocarpa var. glabra
Gastrodia elata
Malus komarovii
Typha przewalskii
Vitis amurensis
Astilbe simplicifolia
Tilia mandshurica
Galium kamtschaticum
Fraxinus mandschurica
Syringa villosa
Ligustrum obtusifolium
Rorippa barbareifolia
Pogonia japonica
Sagittaria natans
Galium rubioides
Syringa reticulata