several kinds; several varieties; several species
Used to refer to multiple types, varieties, or species of something. Common in both everyday and technical contexts.
Several varieties of roses are planted in this garden.
Several species of birds had gathered around the pond.
数種類 is a more common and slightly more formal synonym, often used in spoken and written Japanese. 数種 is a shorter, slightly more literary or compact alternative.
Compound of 数 (several) and 種 (kind, variety, species).