Species Details

Hesperocyparis pygmaea

pygmy cypress

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Classification

Scientific Name: Hesperocyparis pygmaea (Lemmon) Bartel
Common Name: pygmy cypress
Family:	Cupressaceae
Element Code:	PGCUP04032
USDA Plants Symbol:
Synonyms/Other Names: Cupressus pygmaea (Lemmon) Sarg. Cupressus goveniana Gordon ssp. pigmaea (Lemmon) Bartel Callitropsis pygmaea

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G1
State Rank:	S1
Other Status:	BLM_S; SB_CalBG/RSABG
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2022-01-05

Ecology and Life History

Lifeform: perennial evergreen tree

Blooming Period:

Elevation:
30 - 600 meters
100 - 1970 feet

General Habitats:

Closed-cone coniferous forest (usually podzol-like soil)

Microhabitat Details:

Microhabitat:

Notes

Notes: Threatened by development, logging, and vehicles. See Phytologia 70(4):229-230 (1990) for revised nomenclature.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	13
	Total EOs	% of EOs
EOs with Threat Listed:	29	78 %
Road/trail construction/maint.	19	51%
Development	15	40%
Logging	12	32%
ORV activity	7	18%
Wood cutting or brush clearing	6	16%
Altered flood/tidal/hydrologic regime	5	13%
Vandalism/dumping/litter	2	5%
Erosion/runoff	2	5%
Foot traffic/trampling	1	2%
Landfill	1	2%
Other	1	2%
Recreational use (non-ORV)	1	2%
Non-native plant impacts	1	2%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					37
A	B	C	D	X	U
2	6	7	6	0	16

Occurrence Status:
Historical >20 Years	6
Recent <=20 Years	31

Presence:
Presumed Extant	37
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Mendocino (MEN), Sonoma (SON)

Quads: Name (Quad Code)
Albion (3912327), Cold Spring (3912315), Elk (3912326), Eureka Hill (3812385), Fort Bragg (3912347), Gualala (3812375), Hales Grove (3912377), Mathison Peak (3912336), Mendocino (3912337), Northspur (3912345), Noyo Hill (3912346), Plantation (3812353), Point Arena (3812386), Saunders Reef (3812376)

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

Click on quad for name. Hold Shift Key to use mouse scroll wheel

CNPS Rare Plant Inventory