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	   25 week old R. tomentosum x R. hypoleucum seed plants R. tomentosum chromosome count tetraploid (2n = 52) and hypoleucum tetraploid (2n = 52)  | 
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	   25 week old R. tomentosum x R. hypoleucum seed plants R. tomentosum chromosome count tetraploid (2n = 52) and hypoleucum tetraploid (2n = 52)  | 
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