SCHOFIELD, Gordon; MCGINN, Andrew; FRACHON, Natacha; MCHAFFIE, Heather. Plant Collecting for the Ecological Garden and the Scottish Heath Garden at the Royal Botanic Garden Edinburgh.
Sibbaldia: the International Journal of Botanic Garden Horticulture,
[S. l.], n. 5, p. 129–139, 2007. DOI:
10.24823/Sibbaldia.2007.13. Disponível em:
https://journals.rbge.org.uk/rbgesib/article/view/13. Acesso em: 27 jun. 2025.