There are several synonyms that can be used for the phrase "more interspersed". The word "intermingled" can be used to describe a situation where different items or ideas are blended together in a way that is hard to separate. "Strewn" is another option that suggests that items are scattered or tossed around in a somewhat random fashion. "Embellished" is a descriptive term that suggests that an item has been decorated or enhanced in some way. "Juxtaposed" is a good choice when there are two or more items that are placed side by side for comparison or contrast. Finally, "sprinkled" is a synonym that suggests a light distribution of something throughout an area.