| Publication Type: | Journal Article |
| Year of Publication: | 1995 |
| Authors: | R. G. Olmstead |
| Journal: | Systematic Botany |
| Volume: | 20 |
| Pagination: | 623-630 |
| Keywords: | APOMORPHIC SPECIES, CLADISTICS, PHYLOGENETIC SPECIES CONCEPT, PLEISIOMORPHIC SPECIES, species, SPECIES CONCEPTS |
| Alternate Journal: | Systematic Botany |
