Peter Taylor elevated the variety to the specific rank in 1986 upon further review of its morphological characteristics.

The original species description relied on morphological characteristics only.

The four species share morphological characteristics, and form a monophyletic clade.

Wattles are often such a striking morphological characteristic of animals that it features in their common name.

The morphological characteristics of the rock were crucial to the extent and nature of any structures.

These are not easily told apart using morphological characteristics, but they occur in different geographical areas.

The close relationship of these outwardly different groups based on molecular studies and is not supported by morphological characteristics.

He is best known for his analysis of the morphological characteristics of early human remains in South America.

It is based principally on morphological characteristics readily identifiable in the field.

Environmental conditions also play a substantial role in the different morphological characteristics Lingzhi can exhibit.