Ammophila arenaria (European Beach Grass) - Non-Native

 8/8/17 Oceano Dunes SRVA, San Luis Obispo County, CA

 8/8/17 Oceano Dunes SRVA, San Luis Obispo County, CA

LIFE LIST NOTES:

COMMON NAME: European Beach Grass

SPECIES: Ammophila arenaria

FAMILY: Poaceae (Grass Family)

LIFE LIST DATE: 8/8/17

LOCATION: Oceano Dunes SRVA, San Luis Obispo County, CA

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Treatment from Jepson eFlora:

NATURALIZED

Stem: 5--12 dm. 

Leaf: 4--11 dm; ligule 1--3 cm, acute; blade 2--5 mm wide. 

Inflorescence: 15--30 cm, +- 2 cm wide, cylindric. 

Spikelet: 10--13 mm; callus hairs 2--4 mm; lemma 8--10 mm. 

Ecology: Sand dunes; 

Elevation: < 240 m. 

Bioregional Distribution: NCo, CCo, SCo, s ChI (San Nicolas Island); 

Distribution Outside California: native to northern Europe. 

Flowering Time: May--Aug 

Note: Cult for dune stabilization, baskets, brooms. If recognized taxonomically, plants from central SCo (Orange Co.), northern CCo (Angel Island), with ligules 1--5 mm, firm, minutely ciliate, assignable to Ammophila breviligulata Fernald, native to eastern United States, common on shores of the Great Lakes.

eFlora Treatment Author: Dieter H. Wilken