| Petunia integrifolia subsp. integrifolia | Watanabe, M., T. Ando, S. Iida, K. Buto, T. Tukamoto, G. Hashimoto & E. Marchesi. 1996. Cross compatibility of Petunia cultivars and P. axillaris with native taxa of Petunia in relation to their chromosome number. J. Jap. Soc. Hort. Sci. 1996: 625–634. | 96-97 | | 14 |
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