Complex sentence: For the purposes of this category, "Malaya" is defined in accordance with the World Geographical Scheme for Recording Plant Distributions (WGSRPD); that is, it is defined as comprising Peninsular Malaysia and Singapore.
Split into simpler sentences: For the purposes of this category, "Malaya" is defined in accordance with the World Geographical Scheme for Recording Plant Distributions (WGSRPD). That is, it is defined as comprising Peninsular Malaysia and Singapore.