Taxon Details

Lilium pardalinum ssp. pitkinense

Pitkin Marsh lily

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Photo of Lilium pardalinum ssp. pitkinense
© 2020 Jason Matthias Mills
Photo of Lilium pardalinum ssp. pitkinense
© 2004 John Game
Photo of Lilium pardalinum ssp. pitkinense
© 2015 Aaron Arthur

Taxon Summary:

Lilium pardalinum ssp. pitkinense, commonly known as Pitkin Marsh lily, is a perennial bulbiferous herb in the Liliaceae that is found only in California. It occurs within Cismontane woodland, Marshes and swamps (freshwater), and Meadows and seeps, growing at elevations from 35 to 65 meters. Lilium pardalinum ssp. pitkinense is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.

Scientific Name:
Lilium pardalinum Kell. ssp. pitkinense (Beane & Vollmer) M. Skinner
Common Name:
Pitkin Marsh lily
Family: Liliaceae
Element Code: PMLIL1A0H3
USDA Plants Symbol: LIPAP5
Synonyms/Other Names:
Name Status: JEF, FNA, POWO,
IPNI, Tropicos
CA Rare Plant Rank: 1B.1
Fed List: FE (1997-10-22)
State List: CE (1978-11-01)
Global Rank: G5T1
State Rank:
S1
Other Status: SB_BerrySB; SB_CalBG/RSABG; SB_USDA
CRPR Changes:
Add Date: 1974-01-01
Date Edited: 2022-02-01
Lifeform: perennial bulbiferous herb
Blooming Period: Jun-Jul
JFMAMJJASOND
Elevation:
35 - 65 meters
115 - 215 feet
General Habitats:
  • Cismontane woodland
  • Meadows and seeps
  • Marshes and swamps (freshwater)
Microhabitat Details:
Microhabitat:
  • Mesic
  • Sandy
Notes:
Known only from near Sebastopol. Most of marsh habitat has been destroyed; also threatened by horticultural collecting, hydrological alterations, and competition from other plants. Potentially threatened by hybridization with otherL. pardalinum subspecies. See Novon 12(2):253-261 (2002) for revised nomenclature.
Threats:
Taxonomy:
Threat List Total: 9
Total EOs % of EOs
EOs with Threat Listed: 4 100 %
THREAT LIST:
Non-native plant impacts 2 50%
Other 2 50%
Over-collecting/poaching 2 50%
Surface water diversion 1 25%
Development 1 25%
Total Occurrences: 4
Element Occurrence Ranks:
A B C D X U
0 2 0 0 1 1
Occurrence Status:
Historical >20 Years 3
Recent <=20 Years 1
Presence:
Presumed Extant 3
Possibly Extirpated 0
Presumed Extirpated 1
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Sonoma (SON)
Quads: Name (Quad Code)
Petaluma (3812226), Petaluma River (3812225), Sebastopol (3812247), Two Rock (3812237)
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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