Illinois Natural History Survey - University of Illinois

Gymnocarpium robertianum
Scented oak fern
Taxonomy

Synonyms: Dryopteris robertiana

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: State Endangered

Notes:This species may not have been present in IL, and is likely extirpated in either case.

Origin: Native

Species Description

General: Fern-allies, perennial

Roots: adventitious, fibrous, rhizomes

Shoots: compound, pinnately leaf type; lobed (pinnately), parted (pinnately) leaf margin; Pinnate leaf venation; lanceolate, cordate leaf shape

Inflorescence: no

Flowers:

Fruit: no

Physiology: autotrophic; C3 C02 fixation

Ecology & Natural History

Habitat:

ILPIN Notes: Uppermost segments of leaves merely pinnatifid; sori submarginal.

Functional Relationships:

  • Pollinators insects (no)

Human Relationships:

  • Edibility [?] :
  • Showy Flowers:

Wildlife and Livestock Information:

  • Food Value:
  • Cover Value:

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

  • Entire State: 10
  • Chicago Area:

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