Washington Flora Checklist
A Checklist of the Vascular Plants of Washington State
Hosted by the University of Washington Herbarium
 

Checklist » Ceratophyllaceae
Ceratophyllaceae   (Hornwort Family)

Notes: FNA3: "Useful in identification of species of Ceratophyllum are leaf-forking characteristics. Leaves with no forking are "0-order"; they consist only of a primary segment. Those forking once are "1st-order"; their ultimate segments are secondary. Those in which at least one secondary segment forks are "2d-order"; their ultimate segments are tertiary. Those in which at least one tertiary segment forks are "3d-order"; their ultimate segments are quaternary. Those in which at least one quaternary segment forks are "4th order.""

Family Synonyms: (none)

Literature: (none)

Family treatment authored by Fred Weinmann; last updated 12/15/2008 by David Giblin
 
Taxon (native species in boldface) # Synonyms Common Names
Ceratophyllum demersum L.   [FNA3, H&C] 1 coon's-tail
Ceratophyllum echinatum Gray   [FNA3, ILBC] 2 spineless hornwort


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