62 
Ganl. Bull. Singapore 70 (Suppl. 1) 2018 
Table 5. Top ten families of vascular plants in the Nee Soon catchment according to the total 
number of species, the number of tree species (> 5 cm DBH), stem abundance, and total basal 
area of trees. Ranks are given in superscript next to the counts. 
Family 
No. of species 
No. of tree 
species 
No. of stems 
Total basal 
area 
Rubiaceae 
41 1 
15 
5 
136 
3 
3.93% 8 
Annonaceae 
40 2 
12 
7 
32 
2.00% 
Myrtaceae 
31 3 
20 
3 
124 
5 
6.80% 4 
Phyllanthaceae 
28 4 
21 
2 
217 
1 
4.03% 7 
Moraceae 
28 5 
9 
9 
23 
1.70% 
Myristicaceae 
26 6 
23 
1 
126 
4 
8.26% 3 
Euphorbiaceae 
22 7 
14 
6 
145 
2 
5.18% 6 
Lauraceae 
22 7 
17 
4 
56 
9 
2.54% 
Apocynaceae 
19 9 
6 
32 
2.36% 
Fabaceae 
17 10 
6 
35 
1.53% 
Dipterocarpaceae 
12 
11 
8 
33 
6.10% 5 
Burseraceae 
11 
9 
9 
27 
1.27% 
Clusiaceae 
10 
8 
53 
10 
1.18% 
Anacardiaceae 
8 
7 
73 
7 
8.95% 1 
Arecaceae 
8 
2 
73 
7 
3.19% 10 
Sapindaceae 
7 
4 
41 
3.59% 9 
Rhizophoraceae 
3 
3 
112 
6 
2.84% 
Combretaceae 
1 
1 
1 
8.67% 2 
