Taxon Report

Lysimachia thyrsiflora L.

tufted loosestrife

Print Report

Taxon Summary

Lysimachia thyrsiflora, commonly known as tufted loosestrife, is a perennial herb in the Myrsinaceae that is found in California and elsewhere. It occurs within Marshes and swamps, Meadows and seeps (mesic), and Upper montane coniferous forest, growing at elevations from 975 to 1675 meters. Lysimachia thyrsiflora is ranked 2B.3, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Not very threatened in California.

Classification


Scientific Name:	Lysimachia thyrsiflora L.
Common Name:	tufted loosestrife
Family:	Myrsinaceae
Element Code:	PDPRI070S0
USDA Plants Symbol:	LYTH2
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: May-Aug	May-Aug
Elevation:	975-1675 (3200-5495)
General Habitats:	Marshes and swamps, Meadows and seeps, Upper montane coniferous forest
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	2B.3
Global Rank:	G5
State Rank:	S1?
State List:	None
Fed List:	None
Other Status:
CRPR Changes:	changed from 2.3 to 2B.3 on 2013-06-12 added to 2.3 on 2009-01-06

Occurrence Data from the CNDDB


Total Occurrences:	5
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	0
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	5

Location


California Endemic: False
California Counties and Islands: Name (Code)
Plumas (PLU), Shasta (SHA)
Quads: Name (Quad Code)
Almanor (4012122), Burney (4012186), Fall River Mills (4112114), Hogback Ridge (4012184), Mt. Harkness (4012143), Timbered Crater (4112124)

Threat List Data from the CNDDB


Threat List Total:	0
EOs with Threat Listed:	Total EOs	% of EOs
	0	%

Notes



Possibly threatened by non-native plants.
Threats:

Taxonomy:

Selected References

CRPR List Addition on 2009-01-06

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 27 January 2025].