| He thought that most of the future work of the committee would be at the level about the species, at the generic and subgeneric levels. |
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| At the subgeneric level, the classification of Valeriana in subgenera and sections is difficult. |
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| Subgeneric diversity was calculated by tallying taxa that cross boundaries. |
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| The book covers generic and subgeneric classification, species listed in each category, and a section on identification of cryptic species. |
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| Thus, we believe the single worn dentary presently available is insufficient to establish a subgeneric identification of the fossil prairie dog. |
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| Another plus is that the genus Rubus includes subgeneric and sectional keys using a combination of primocanes and floricanes as well as inflorescence characters. |
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| A comparison of the new and old generic and subgeneric classifications of types at both repositories is shown in Table 2 at the end of this article. |
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