Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Singapore Botanic Gardens' has mentioned 'Southeast Asia' in the following places:
Occurrence Sentence Text Source
Criterion (ii): The Singapore Botanic Gardens has been a centre for plant research in Southeast Asia since the 19th century, contributing significantly to the expansion of plantation rubber in the 20th century, and continues to play a leading role in the exchange of ideas, knowledge and expertise in tropical botany and horticultural sciences.
While the Kew Botanic Gardens (United Kingdom) provided the initial seedlings, the Singapore Botanic Gardens provided the conditions for their planting, development and distribution throughout much of Southeast Asia and elsewhere.