Species Details

Lyonothamnus floribundus ssp. floribundus

Santa Catalina Island ironwood

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Scientific Name:
Lyonothamnus floribundus Gray ssp. floribundus
Common Name:
Santa Catalina Island ironwood
Family: Rosaceae
Element Code: PDROS12012
USDA Plants Symbol: LYFLF
Synonyms/Other Names:
CA Rare Plant Rank: 1B.2
Fed List: None
State List: None
Global Rank: G3T2
State Rank:
S2
Other Status: IUCN_VU; SB_CalBG/RSABG; SB_SBBG
CRPR Changes:
Add Date: 1980-01-01
Date Edited: 2021-07-14
Lifeform: perennial evergreen tree
Blooming Period: May-Jun
JFMAMJJASOND
Elevation:
75 - 500 meters
245 - 1640 feet
General Habitats:
  • Broadleafed upland forest
  • Chaparral
  • Cismontane woodland
Microhabitat Details:
Microhabitat:
Notes:
Threatened by herbivory from non-native deer on SCT Isl. Possibly threatened by erosion. Feral herbivore populations increasingly under control; stump-sprouting and seedlings recently noted.
Threats:
Taxonomy:
Threat List Total: 2
Total EOs % of EOs
EOs with Threat Listed: 4 20 %
THREAT LIST:
Non-native animal impacts 3 15%
Grazing 2 10%
Total Occurrences: 20
Element Occurrence Ranks:
A B C D X U
0 1 0 0 0 19
Occurrence Status:
Historical >20 Years 18
Recent <=20 Years 2
Presence:
Presumed Extant 20
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Los Angeles (LAX)
Quads: Name (Quad Code)
Santa Catalina East (3311833), Santa Catalina North (3311844), Santa Catalina South (3311834), Santa Catalina West (3311845)
Notes:
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.
Presumed Extant
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