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This category has the following 7 subcategories, out of 7 total.
8:
68:Books about Sri Lankan natural history
7:
173:Invasive plant species in Sri Lanka
213:Natural history of Asia by country
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208:Natural history of South Asia
203:History of Sri Lanka by topic
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218:Natural history by country
198:Environment of Sri Lanka
92:Ecoregions of Sri Lanka
153:Geology of Sri Lanka
116:Forests of Sri Lanka
55:Biota of Sri Lanka
136:Gems of Sri Lanka
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192:Categories
157:(3 C, 1 P)
120:(1 C, 8 P)
96:(2 C, 7 P)
59:(6 C, 2 P)
177:(31 P)
140:(8 P)
72:(4 P)
194::
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166:I
129:G
105:F
81:E
44:B
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