Illinois Natural History Survey - University of Illinois

Ammophila breviligulata
Marram grass, Beach grass
Taxonomy

Synonyms: Ammophila champlainensis

Subspecific taxa:

Classification:

  • Magnoliophyta

Other taxonomic & nomenclature sources: USDA PlantsITISThe Plant ListIPNI

Images

   
View all images. View all at PhytoImages.
Species Distribution
If map does not appear refresh browser Refresh
Click map to view & download detailed occurrence records

County Map Legend
Absent:
Not known from county
Medium confidence:
Medium or unknown confidence;
often old records or unverifiable observations
Medium-high confidence:
Often observations by expert botanists
High confidence:
Often vouchered herbarium records
Planted / introduced:
Native species introduced outside historic range,
or only in planted locations within county (e.g., restorations)
Historic / extirpated:
Only historic records for the species; likely extirpated
(Note that this category is not yet functional)

North American distribution maps for this species: FLNAUSDA PlantsBONAPBISON

Collection & Observation Phenology [?]

J
0
F
0
M
0
A
0
M
0
J
0
J
0
A
0
S
0
O
0
N
0
D
0

Collection & Observation Timeline [?]

Species Status

Status/Listing: State threatened

Notes:Populations along Lake Michigan appear to be increasing, potentially due to lower of lake level exposing more beach sand. Recently, downlisted to ST.

Origin: Native

Species Description

General: Monocot, perennial

Roots: adventitious, rhizomes

Shoots: alternate leaf arrangment; simple leaf type; entire leaf margin; Parallel leaf venation; awl-shaped leaf shape

Inflorescence: panicle

Flowers: perfect; incomplete; hypogynous ovary position

Fruit: grain

Physiology: autotrophic; C3 C02 fixation

Ecology & Natural History

Habitat: Important in the stabilization of sand dunes. Often associated with Calamovilfa longifolia.

ILPIN Notes: Probably now restricted to Lake County. Extensive use as sand-dune binder in New England & along the Great Lakes. Probably contributes locally to hayfever. Rootstocks and young shoots can be eaten in times of emergency. Blades involute above, flat at the base; paniculate inflorescence contracted to appear spikelike; callus with a tuft of hairs.

Functional Relationships:

  • Pollinators insects (wind)

Human Relationships:

  • Edibility [?] : yes-qualified
  • Showy Flowers:

Wildlife and Livestock Information:

  • Food Value:
  • Cover Value:

Coefficient of Conservatism (C-value) [?] :

  • Entire State: 9
  • Chicago Area: 7

Post a Comment or Question About this Plant
Name

Email address (required)

Comment? Question? 300 word limit (required)




Enter the text code above (required)

Note: All submissions are moderated and only some are posted. Posted comments may be edited for length. An email address will not be posted, but it is required for communication with the site moderator. Comments focused outside of Illinois and neighboring states may be posted, but more attention will be given to Illinois centered information. Thanks for your interest.