Epipactis helleborine var. youngiana (A.J.Richards & A.F.Porter) Kreutz Kompend. Eur. Orchid. : 62 (2004)

Nomenclatural References

• person : A.F. Porter Based on occurrence of standard abbreviation 'A.F.Porter' in the authors string.
• person : Adrian John Richards (b.1951) Based on occurrence of standard abbreviation 'A.J.Richards' in the authors string.
• person : Carolus Adrianus Johannes Kreutz (1954-1999) Based on occurrence of standard abbreviation 'Kreutz' in the authors string.
• database : IPNI record: 77065139-1
• database : The Plant List version 1.0, record: kew-333233
• database : The Plant List version 1.1, record: kew-333233