Kew Royal Botanic Gardens
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Hew D. Prendergast,
Helena F Jaeschke,
Naomi Rumball,
2001
.
Kew Royal Botanic Gardens,
Leon Gray,
Vernon Heywood,
2011
.
Kew Royal Botanic Gardens,
Martin Walters,
K. Gardens,
1995
.
Kew Royal Botanic Gardens,
Leonard. Forman,
Diane M. Bridson,
1992
.
Kew Royal Botanic Gardens,
C. E. Powell,
R. Brummitt,
1992
.
Kew Royal Botanic Gardens,
K. Gardens,
Frances E. M. Cook,
1995
.