NBN (data.nbn.org.uk) has a distribution map for Primula vulgaris x elatior = P. x digenea (a primrose) |
Primula vulgaris x elatior = P. x digenea (a primrose) may be included in identification literature listed under the following higher taxa:
Author | Year | Title | Source |
---|---|---|---|
Valentine, D.H. | Geographical distribution and isolation in some British ecospecies | Dandy, J.E. The Watsonian vice-county system, 9pp, The Study of the Distribution of British Plants |
Literature listed under the following higher taxa may also be relevant to Primula vulgaris x elatior = P. x digenea (a primrose):
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