O'Kelly, C.J. & Floyd, G.L., 1984. Correlations among patterns of sporangial structure and development, life histories, and ultrastructural features in the Ulvophyceae. In D.E.G. Irvine & D.M. John (eds.), The Systematics of the Green Algae: 121-156.
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Floyd, G.L. & O'Kelly, C.J., 1990. 32c. Phylum Chlorophyta, Class Ulvophyceae. In L. Margulis et al. (eds.), Handbook of Protoctista: 617-635.
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O'Kelly, C.J. & Floyd, G.L., 1990. 32h. Chlorophyte Orders of Uncertain Affinities, Order Prasiolales. In L. Margulis et al. (eds.), Handbook of Protoctista: 655-657.
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O'Kelly, C.J. & Floyd, G.L., 1990. 32i. Chlorophyte Orders of Uncertain Affinities, Order Trentepohliales. In L. Margulis et al. (eds.), Handbook of Protoctista: 658-660.
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