Species Details

Hesperocyparis abramsiana var. butanoensis

Butano Ridge cypress

  Download Report   Calflora     eFlora     CCH     CalPhotos
Photo by © 2011 Joey Malone  max-height:128px; max-width:145px;
© 2011 Joey Malone
Photo by © 2013 Joey Malone  max-height:128px; max-width:145px;
© 2013 Joey Malone
Photo by © 2011 Joey Malone  max-height:128px; max-width:145px;
© 2011 Joey Malone
Scientific Name:
Hesperocyparis abramsiana (C.B. Wolf) Bartel var. butanoensis (Silba) Bartel & R.P. Adams
Common Name:
Butano Ridge cypress
Family: Cupressaceae
Element Code: PGCUP04082
USDA Plants Symbol: HEABB
Synonyms/Other Names:
CA Rare Plant Rank: 1B.2
Fed List: FT
State List: CE
Global Rank: G1T1
State Rank:
Other Status: SB_CalBG/RSABG
CRPR Changes:
added to 1B.2 on 2011-12-19
Add Date: 2011-12-19
Date Edited: 2022-01-05
Lifeform: perennial evergreen tree
Blooming Period: Oct
400 - 490 meters
1310 - 1610 feet
General Habitat:
  • Closed-cone coniferous forest
  • Chaparral
  • Lower montane coniferous forest
General Micro Habitat:
Micro Habitat:
  • Sandstone
Known only from Butano Ridge of the Santa Cruz Mtns. Threatened by alteration of fire regimes and recreational activities. See Cupressus abramsiana in The Jepson Manual (1993); USFWS also uses this name. See Journal of the International Conifer Preservation Society 10:1-49 (2003) for original description, MadroƱo 2(4):189-194 (1952) for distributional information, and Phytologia 91(1):160-185 and 91(2):287-299 (2009) for taxonomic treatments.
Total Occurrences: 1
Element Occurrence Ranks:
0 0 0 0 0 1
Occurrence Status:
Historical >20 Years 0
Recent <=20 Years 1
Presumed Extant 1
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
San Mateo (SMT)
Quads: Name (Quad Code)
Big Basin (3712222), Franklin Point (3712223)
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.


Presumed Extant
Counties   Quads