Illinois Natural History Survey - University of Illinois

Agrostis scabra
Tickle grass, Rough bent grass
Taxonomy

Synonyms: Agrostis scabra tuckermanii, Agrostis scabra f. scabra

Subspecific taxa:

Classification:

Other taxonomic & nomenclature sources: USDA PlantsITISThe Plant ListIPNI

Species Distribution
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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: No Information

Notes:

Origin: Native

Species Description

General: Monocot, perennial

Roots: adventitious, rhizomes, stolons

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

Inflorescence: panicle

Flowers: perfect; 3 merous; complete; hypogynous ovary position

Fruit: grain

Physiology: autotrophic; C3 C02 fixation

Ecology & Natural History

Habitat: Species is usually distributed on open, slightly acid sandy soil or shaded/open, sterile, abandoned sandy fields.

ILPIN Notes: Caespitose versus H. perennans; A. scabra has harshly scabrous panicle branches. Versus A. hyemalis, this species has larger spikelets and connivent glume-tips during fruiting. Mohlenbrock (ref 8) says there are 2 forms in Illinois: F. scabra - lemma awnless; F. tuckermanii Fern. - lemmas with short awns. Species is occasional in northern counties, absent from the southern quarter of the state.

Functional Relationships:

Human Relationships:

  • Edibility [?] :
  • Showy Flowers:

Wildlife and Livestock Information:

  • Food Value:
  • Cover Value:

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

  • Entire State: 5
  • Chicago Area: 5

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