Taxon Report

Nemacladus secundiflorus G.T. Robbins var. robbinsii Morin

Robbins' nemacladus

Print Report

Taxon Summary

Nemacladus secundiflorus var. robbinsii, commonly known as Robbins' nemacladus, is a annual herb in the Campanulaceae that is found only in California. It occurs within Chaparral, and Valley and foothill grassland, growing at elevations from 350 to 1700 meters. Nemacladus secundiflorus var. robbinsii is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

Classification


Scientific Name:	Nemacladus secundiflorus G.T. Robbins var. robbinsii Morin
Common Name:	Robbins' nemacladus
Family:	Campanulaceae
Element Code:	PDCAM0F0B2
USDA Plants Symbol:
Synonyms/Other Names:

Ecology and Life History


Lifeform:	annual herb
Blooming Period: Apr-Jun	Apr-Jun
Elevation:	350-1700 (1150-5580)
General Habitats:	Chaparral, Valley and foothill grassland
Microhabitat:	Openings
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.2
Global Rank:	G3T2
State Rank:	S2
State List:	None
Fed List:	None
Other Status:	BLM_S; USFS_S
CRPR Changes:	added to 1B.2 on 2010-06-25

Occurrence Data from the CNDDB


Total Occurrences:	9
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	0
Fair (C)	0
Poor (D)	0
None (X)	1
Unknown (U)	8

Location


California Endemic: True
California Counties and Islands: Name (Code)
Los Angeles (LAX), Monterey (MNT), San Benito (SBT), San Luis Obispo (SLO), Santa Barbara (SBA), Ventura (VEN)
Quads: Name (Quad Code)
Bickmore Canyon (3612152), Big Pine Mtn. (3411966), Crystal Lake (3411737), Cuddy Valley (3411971), Frazier Mtn. (3411878), Juniper Hills (3411748), Lockwood Valley (3411961), Mescal Creek (3411746), Mount San Antonio (3411736), Reyes Peak (3411963), Tar Spring Ridge (3512024), Tierra Redonda Mountain (3512078), Valyermo (3411747), Waterman Mtn. (3411738)

Threat List Data from the CNDDB


Threat List Total:	2
EOs with Threat Listed:	Total EOs	% of EOs
	2	22 %
Road/trail construction/maint.	2	22%
Mining	1	11%

Notes



Possibly threatened by road maintenance and widening. See J. Bot. Res. Inst. Texas 2(1):399 (2008) for original description.
Threats:

Taxonomy:

Selected References

CRPR List Addition on 2010-06-25

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].