CNPS

CNPS Rare Plant Inventory

Species Details

Harmonia guggolziorum

Guggolz's harmonia

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Photo by © 2019 Steve Matson max-height:128px; max-width:145px;
© 2019 Steve Matson 		Photo by © 2015 Richard Spellenberg max-height:128px; max-width:145px;
© 2015 Richard Spellenberg 		Photo by © 2015 Richard Spellenberg max-height:128px; max-width:145px;
© 2015 Richard Spellenberg

Classification

Scientific Name:
Harmonia guggolziorum B.G. Baldwin
Common Name:
Guggolz's harmonia
Family: Asteraceae
Element Code: PDAST650M0
USDA Plants Symbol: HAGU
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank: 1B.1
Fed List: None
State List: None
Global Rank: G1
State Rank:
 S1
Other Status:
CRPR Changes:
added to 1B on 2003-05-14
Add Date: 2004-01-01
Date Edited: 2022-01-05

Ecology and Life History

Lifeform: annual herb
Blooming Period: Apr-May
Elevation:
160 - 195 meters
525 - 640 feet
General Habitat:
  • Chaparral (openings, serpentinite)
General Micro Habitat:
Micro Habitat:

Notes

Notes:
Known from only two occurrences near Hopland. Potentially threatened by non-native plants, vineyard expansion, development, and road widening and construction. Not in The Jepson Manual. See Madroño 48(4):293 (2001) for original description.
Threats:
Taxonomy:
Other:

Occurrence Data from the CNDDB

Total Occurrences: 2
Element Occurrence Ranks:
A B C D X U
0 0 0 0 0 2
Occurrence Status:
Historical >20 Years 0
Recent <=20 Years 2
Presence:
Presumed Extant 2
Possibly Extirpated 0
Presumed Extirpated 0

Location

California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Mendocino (MEN)
Quads: Name (Quad Code)
Yorkville (3812382)
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.
Regional Map

Map

Presumed Extant
Print this Map
Counties   Quads

Selected References

CNPS Status Review: CRPR List Addition on 2003-05-14
Suggested Citation:
California Native Plant Society, Rare Plant Program. 2022. Rare Plant Inventory (online edition, v9-01 1.5). Website https://www.rareplants.cnps.org [accessed 19 May 2022].