Illinois Natural History Survey - University of Illinois

Asplenium platyneuron
Shawnee spleenwort, Ebony spleenwort
Taxonomy

Synonyms: Asplenosorus x shawneensis

Subspecific taxa:

Classification:

  • Pteridophyta

Other taxonomic & nomenclature sources: USDA Plants;  ITIS;  The Plant List;  IPNI

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

More about map & 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: FLNA;  USDA Plants;  BONAP;  BISON

Collections, Observations & Flowering by Month [?]

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

Collections & Observations by Decade [?]

Species Status

Status/Listing: No Information

Notes:

Origin: Native

Species Description

General: Fern-allies, perennial

Roots: adventitious, fibrous, rhizomes

Shoots: compound, pinnately leaf type; serrate leaf margin; Pinnate leaf venation; linear leaf shape

Inflorescence: no

Flowers:

Fruit: no

Physiology: autotrophic; C3 C02 fixation

Reproduction: sexual, vegetative

Ecology & Natural History

Habitat: Species is distributed on natural seepage slopes; tanks; sometimes somewhat sandy soil; sometimes grows on steep, north-facing banks of road cuts where seepage is present.

ILPIN Notes: Moran, R. C. 1981. X Asplenosorus shawneensis, a new natural fern hybrid between Asplenium trichomanes and Camptosorus rhizophyllus. American Fern Journal 71: 85-89. Ballard, H. E., Jr. 1983. A new combination for an Asplenosorus hybrid. American Fern Journal 73: 31. Plant is a wiry evergreen; leaves are dimorphic. Evergreen; leaves pinnatifid-crenate at the middle. Hybrid between Camptosorus rhizophyllus and Asplenium trichomanes.

Functional Relationships:

  • Pollinators: no
  • Dispersal:
  • Mycorrhizae:
  • N2 fixation:

Human Relationships:

  • Edibility [?] :
  • Showy Flowers:

Wildlife and Livestock Information:

  • Food Value:
  • Cover Value:

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

  • Entire State: 4
  • Chicago Area: 4

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.