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Glyceria declinata Brébiss.
(syn. Glyceria fluitans subsp. declinata (Brébiss.) O. Bolòs, Masalles, & Vigo,
G. fluitans var. declinata (Brébiss.) Ghisa,
G. notata subsp. declinata (Brébiss.) E.J. Weeda,
G. plicata subsp. declinata (Brébiss.) E.J. Weeda,
Glyceria plicata var. declinata (Brébiss.) Druce)
(Eurasian waxy mannagrass, small mannagrass, sweet grass)


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USA Images: (Click on thumbnail images for a closer view)

Floating leaves
(January)

Clump w/rare
Orcuttia viscida

Sparse infestation,
maturing plants

Dense infestion,
maturing plants

Prostrate plants
(May)

May 2006--was
2% cover in 2001

Fibrous roots,
copious seed

Feeding Canada
goose

Note palea &
lemma tips

Lolium (left),
Glyceria (right)

As a native in
a Spanish playa

Distribution in
vernal pools
All above images by John Gerlach, except:
glyde11.jpg ("Note palea & lemma tips"/Fred Hrusa)
glyde09.jpg ("As a native in a Spanish playa"/Juan Gallego Fernández)
 


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Updated August 2006
©The Nature Conservancy, 2006