www.woctrust.org
www.rhs.co.uk/orchidreview
www.orchids.unibas.ch
www.rhs.co.uk/orchidhybridlist
www.kew.org
www.timberpress.com
www.gravetyemanor.co.uk
www.heritageorchids.co.uk
www.aos.org
www.mtbeenakorchids.com.au
www.ericyoungorchidfoundation.co.uk
www.floriferous-garden.com
