The material is massive, or has plate like divisions inherited from the varved parent material. The Riga series is the only other member of the same family. Riga soils have bedrock at depths of 20 to 40 inches. The Broughton , Caneadea , Cayuga , Lairdsville , Vergennes , and Wilpoint series are similar soils in related families. Broughton and Vergennes soils have very fine particle-size control sections.
Caneadea soils have an aquic moisture regime.
Cayuga soils lack 2 chroma redoximorphic features in the Bt horizon, and have gravelly loam lithologic discontinuities. Lairdsville and Wilpoint soils have bedrock at depths of 20 to 40 inches. Hudson soils are nearly level to very steep on lake plains and lacustrine capped uplands and valley sides. Slope ranges from 0 to 60 percent. More sloping and dissected areas show evidence of slumping or mass slipping.