Species Details

Betula glandulosa

dwarf resin birch

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Photo of Betula glandulosa
© 2015 Dean Wm. Taylor
Photo of Betula glandulosa
© 2020 Sierra Pacific Industries
Photo of Betula glandulosa
© 2015 Dean Wm. Taylor
Scientific Name:
Betula glandulosa Michx.
Common Name:
dwarf resin birch
Family: Betulaceae
Element Code: PDBET02030
USDA Plants Symbol: BEGL
Synonyms/Other Names:
CA Rare Plant Rank: 2B.2
Fed List: None
State List: None
Global Rank: G5
State Rank:
Other Status: IUCN_LC
CRPR Changes:
changed from 2.2 to 2B.2 on 2013-06-12
Add Date: 2001-01-01
Date Edited: 2021-08-25
Lifeform: perennial deciduous shrub
Blooming Period: May-Jul
1300 - 2300 meters
4265 - 7545 feet
General Habitat:
  • Bogs and fens
  • Lower montane coniferous forest
  • Meadows and seeps
  • Marshes and swamps
  • Subalpine coniferous forest
General Micro Habitat:
Micro Habitat:
  • Mesic
Possibly threatened by grazing, trampling, vehicles, and recreational activities. CA plants previously misapplied to Betula pumila var. glandulifera.
Total Occurrences: 28
Element Occurrence Ranks:
0 4 4 3 1 16
Occurrence Status:
Historical >20 Years 14
Recent <=20 Years 14
Presumed Extant 27
Possibly Extirpated 1
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
Alaska (AK), California (CA), Colorado (CO), Idaho (ID), Maine (ME), Montana (MT), New Hampshire (NH), New York (NY), Oregon (OR), South Dakota (SD), Utah (UT), Washington (WA), Wyoming (WY)
California Counties and Islands: Name (Code)
Butte (BUT), Lassen (LAS), Modoc (MOD), Plumas (PLU), Siskiyou (SIS), Tehama (TEH)
Quads: Name (Quad Code)
Almanor (4012122), Antelope Mtn. (4012058), Bogard Buttes (4012152), Caribou (4012112), Chester (4012132), Childs Meadows (4012134), Davis Creek (4112063), Eagle Peak (4112032), Emerson Peak (4112022), Fort Bidwell (4112072), Humbug Valley (4012123), Jess Valley (4112023), Jonesville (4012114), Lake Annie (4112081), Mt. Bidwell (4112082), Panther Rock (4112272), Pegleg Mtn. (4012048), Warren Peak (4112042)
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