NPSpecies

Information on Species in National Parks

NPSpecies-1.9.3.24963-20240824-030002

National Park Service
U.S. Department of the Interior

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Scientific Name
Trillium sessile
Scientific Name w/ Auth.
Trillium sessile L.
Park
Rock Creek Park (ROCR)
Sensitive
No
Park Accepted
Accepted
Record Status
Approved
Park Preferred Common Names
toadshade
Park Synonyms
Taxonomic Hierarchy
KingdomPlantae
SubkingdomViridiplantae
Infrakingdom Streptophyta
Superdivision Embryophyta
DivisionTracheophyta
SubdivisionSpermatophytina
ClassMagnoliopsida
SuperorderLilianae
OrderLiliales
FamilyMelanthiaceae
GenusTrillium
SpeciesTrillium sessile
Occurrence
Present
Occurrence Notes
B. Steury and M. Strong determined that vouchers collected and identified as Trillium sessile by Peggy Fleming were actually Trillium luteum (see "Noteworthy Collections: Maryland, District of Columbia" by Brent W. Steury in Castanea 65(3):228-231).; Data Source: Engelhardt, 2005Engelhardt, 2005
Nativeness
Native
Nativeness Notes
Data Source: Engelhardt, 2005
Abundance
Occasional
Abundance Notes
Data Source: Fleming & Kanal, 1995
Threatened Endangered Status
State Species of Concern statuses
Ozone Sensitive Status
NatureServe GRank
NatureServe SRank
Observations
0
References
4
Vouchers
0
External Links
0
Evidence counts shown include evidence for related synonyms.
Created By
sh
Created Date
4/16/2003 12:00:00 AM
Last Modified By
nfinney@nps.gov
Last Modified Date
2/22/2016 11:28:06 AM
Notes
Park Species Detail: Fleming & Kanal, 1995: Riparian; rare. Probably planted. Flowers are yellow-green, some with a faint lemon fragrance; no maroon-purple flowers observed F 396, 1270./ Hamilton, 2007 : 'B. Steury and M. Strong determined that vouchers collected and identified as Trillium sessile by Peggy Fleming were actually Trillium luteum (see "Noteworthy Collections: Maryland, District of Columbia" by Brent W. Steury in Castanea 65(3):228-231).' Steury, 2000: These are the first reports of yellow trillium from the District of Columbia. . . . Future floras of Rock Creek Park should include Trillium luteum while Trillium sessile should be deleted from the flora of the park unless a new population is discovered./ Engelhardt, 2005: Encountered outside of the 4 plots in a walk-through./, Park Species Data Source: Fleming & Kanal, 1995; Engelhardt, 2005; Legacy NPSpecies information may no longer be applicable, please remove if it is not applicable. In legacy NPSpecies Management priority value was No with comment: Wiegand, 2001b: Listed in the District of Columbia as "highly rare"./
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