Plant collections
18,557 accessions
- greenhouses: 16,340
- grounds: 2,217
with 12,965 species
- greenhouses: 11,349
- grounds: 1,642
of 2,448 genera
- greenhouses: 1,735
- grounds: 750
from 292 families
- greenhouses : 253
- grounds:175
largest collections
- orchids: 3,699 species with 4,781 accessions
- bromeliads: 1,353 species with 2,936 accessions
- succulents (Old World): 2,487 species with 3,668 accessions;
of which Madagascar: 624 species with 1,231 accessions
- succulents (New World): 1,868 species with 2,546 accessions
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Surface area
Total surface: 6.7 acres
davon
- grounds: 5.7 acres
- greenhouses: 4,000 m 2
- accessible greenhouses: 2,000 m 2
Personnel
Total staff: 23 (20 formal positions)
of which
- scientific staff: 0
- horticultural staff: 17 (14.5 formal positions)
Apprenticeship
- hort. apprentices: 13
- hort. workers.: 3
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