Hi Christer,
According to
http://www.sarracenia.com/faq/faq3920.html
</span><table border="0" align="center" width="95%" cellpadding="3" cellspacing="1"><tr><td>
Quote </td></tr><tr><td id="QUOTE">There is a common misconception about how much information is needed in specifying a cultivar name. To identify a carnivorous plant cultivar, you must provide the genus name and the cultivar name, in single quotes. That is all. For examples:
Sarracenia 'Adrian Slack'
Utricularia 'Yog-Sothoth'
Pinguicula 'Libelulita'
You can provide species information if you wish, but it is not necessary. On the other hand, it is certainly not prohibited, either. So if you desired, you could write the above list as:
Sarracenia flava x leucophylla 'Adrian Slack'
Utricularia calycifida 'Yog-Sothoth'
Pinguicula moranensis 'Libelulita'[/QUOTE]<span id='postcolor'>
Continuing to name the plant as-is will cause more confusing among others you might introduce the plant to. For instance, what if someone thought D. "alba" and D. 'Albino' are different plants and bought them both, only to find out that they are the same culitvar? What if your friend drops by and likes your D. "alba" plant, and continues that error when he gets one? Like Tamlin said this causes an exponential growth of error.