Among them, Bidens pilosa var. radiate and Egeria densa were found to be the dominant species with broadest habitat ranges in terrestrial and aquatic environments, respectively.

• 其中，大花咸丰草是兰阳平原入侵范围最广泛的陆生物种，水蕴草则是流动水体系统中最具威胁者，两者在台湾的驻在时间短，但入侵能力极强。