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Cryptocoryne balansae name


>Date: Wed, 31 Dec 1997 09:33:17 -0800 (PST)
>From: Roxanne Bittman <rbittman at spock_dfg.ca.gov>
>To: aquatic-plants at actwin_com
>Subject: Cryptocoryne balansae name
>Re:  Jean's question about Cryptocoryne balansae taxonomy --
>When someone proposes in the literature that a plant (or animal) change 
>names, it is not always _only_ due to the "earlier name preference" rule.
>many cases, and perhaps in this one, two things that once appeared to be 
>separate entities, such as C. balansae and C. crispatula, now look to an
>to be one thing.  They then propose to "lump" the two things into one and
>older name gets used.  I have not seen the new taxonomy for balansae, so I
>can't  say for sure; where did you see this?  
It is true that, especially for plants that are "traded" heavily (i.e. 
>in horticulture of one form or another), small variations in morphology get 
>recognized and named which probably should not be (these minor variations
>are often due to plant's adaptations to small differences in microhabitat or 
>microclimate, or simply to genetic drift that occurs in different
>This could have happened with Cryptocorynes, though I am not familiar with
>group's taxonomy.
>Re:  Simone's problems with Hygrophila polysperma:
>	I would imagine we all need a little more information on your tank, 
>light, and water parameters before we can solve the "brown leaf" problem.
>	Roxanne Bittman
>	Please note new email address:
>Roxanne Bittman, Botanist                    Natural Diversity Database
>Phone: (916) 323-8970                 __o    CA Dept of Fish and Game
>Fax:   (916) 324-0475               _ \<_    1220 S St
>Internet rbittman at kirk_dfg.ca.gov  ( )/( )   Sacramento, CA 95814