Taxon Report

Nemacladus calcaratus Morin

Chimney Creek nemacladus

Print Report

Taxon Summary

Nemacladus calcaratus, commonly known as Chimney Creek nemacladus, is a annual herb in the Campanulaceae that is found only in California. It occurs within Pinyon and juniper woodland, growing at elevations from 1900 to 2100 meters. Nemacladus calcaratus is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

Classification


Scientific Name:	Nemacladus calcaratus Morin
Common Name:	Chimney Creek nemacladus
Family:	Campanulaceae
Element Code:	PDCAM0F0E0
USDA Plants Symbol:
Synonyms/Other Names:

Ecology and Life History


Lifeform:	annual herb
Blooming Period: May-Jun	May-Jun
Elevation:	1900-2100 (6235-6890)
General Habitats:	Pinyon and juniper woodland
Microhabitat:	Flats, Granitic
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.2
Global Rank:	G1
State Rank:	S1
State List:	None
Fed List:	None
Other Status:	BLM_S; SB_CalBG/RSABG; USFS_S
CRPR Changes:	added to 1B.2 on 2010-03-09

Occurrence Data from the CNDDB


Total Occurrences:	3
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	0
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	3

Location


California Endemic: True
California Counties and Islands: Name (Code)
Inyo (INY), Tulare (TUL)
Quads: Name (Quad Code)
Lamont Peak (3511871)

Threat List Data from the CNDDB


Threat List Total:	1
EOs with Threat Listed:	Total EOs	% of EOs
	1	33 %
Road/trail construction/maint.	1	33%

Notes



Known from fewer than 5 occurrences. Possibly threatened by foot traffic and grazing. See J. Bot. Res. Inst. Texas 2 (1): 399 (2008) for original description.
Threats:

Taxonomy:

Selected References

CRPR List Addition on 2010-03-09

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 21 October 2025].