Familie
Sparganiaceae

Slekt Sparganium fotoer

Flotgras

Kjempe-piggknopp

Kjempepiggknopp

Nyste-piggknopp

Sjø-piggknopp

Små-piggknopp

Sparganium erectum ssp. microcarpum

Sparganium erectum ssp. neglectum

Stautpiggknopp

Scientific name	Trivial name	DK redlist	Minimum length	Maximum length	Page ref
Sparganium angustifolium	Flotgras	NT
Sparganium angustifolium x emersum
Sparganium angustifolium x friesii
Sparganium angustifolium x glomeratum
Sparganium angustifolium x gramineum
Sparganium angustifolium x hyperboreum
Sparganium angustifolium x minimum
Sparganium emersum	Stautpiggknopp	LC
Sparganium emersum f. submersum
Sparganium emersum x erectum
Sparganium emersum x glomeratum
Sparganium emersum x gramineum
Sparganium emersum x hyperboreum
Sparganium emersum x minimum
Sparganium erectum	Kjempepiggknopp	LC
Sparganium erectum ssp. erectum	Kjempe-piggknopp	NE
Sparganium erectum ssp. microcarpum		NE
Sparganium erectum ssp. neglectum		NE
Sparganium erectum ssp. oocarpum		NE
Sparganium glomeratum	Nyste-piggknopp
Sparganium gramineum	Sjø-piggknopp
Sparganium hyperboreum	Fjellpiggknopp
Sparganium hyperboreum x minimum
Sparganium natans	Små-piggknopp	LC

Key literature: Dansk Flora, (Frederiksen et al. 2012)

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