Vascular Plants of Alaska
Betulaceae

Generated from PNW Herbaria database
November 28, 2020.

2 genus names
28 species/infraspecies names
(names highlighted in brown could not be resolved to an accepted name)

Index to Genera:

B: Betula,

Alnus
Alnus crispa (NY, WWB; 2; 1974-1995)
ssp. crispa (NY, WWB; 2; 1974-1995)
Alnus incana (ALA, HPSU, IDS, PSM, SRP, UAAH, UBC, WTU; 111; 1930-2013)
ssp. rugosa (UBC; 1; 1938)
ssp. tenuifolia (ALA, HPSU, IDS, UAAH, UBC, WTU; 107; 1930-2013)
Alnus nana (ALA; 1; 1976)
Alnus rubra (ALA, ID, WCW, WTU; 41; 1929-2014)
Alnus viridis (ALA, BABY, HPSU, ID, RM, UAAH, UBC, V, WCW, WTU, WWB; 271; 1899-2018)
ssp. crispa (ALA, HPSU, ID, UAAH, V, WCW, WTU; 25; 1919-2013)
ssp. fruticosa (ALA, UAAH, WCW, WTU, WWB; 95; 1928-2018)
ssp. intermediate (UBC; 1; 1944)
ssp. sinuata (ALA, BABY, HPSU, ID, RM, UAAH, V, WCW, WTU; 116; 1899-2017)
Betula
Betula ×eastwoodie (HPSU; 1; 1950)
Betula glandulosa (ALA, ID, NY, SRP, UAAH, UBC, V, WCW, WTU, WWB; 249; 1928-2015)
Betula glandulosa × Betula neoalaskana (UAAH; 2; 2014)
Betula ×hornei (NY; 1; 1902)
Betula hybrids (ALA; 102; 1926-2008)
Betula kenaica (ALA, HPSU, UAAH, UBC, WCW, WTU; 83; 1931-2014)
Betula kenaica × Betula nana (WTU; 1; 1945)
Betula nana (ALA, ID, PSM, UAAH, UBC, V, WCW, WTU, WWB; 326; 1900-2017)
ssp. exilis (ALA, ID, UAAH, UBC, V, WTU, WWB; 183; 1920-2015)
Betula neoalaskana (ALA, BABY, UAAH, UBC, WCW, WTU; 60; 1928-2014)
Betula occidentalis (ALA, BABY, ID, RM, UBC, V, WTU, WWB; 30; 1939-2014)
Betula papyrifera (ALA, RM, SRP, UAAH, V, WTU; 127; 1927-2012)
var. alaskana (WTU; 1; 1956)
Betula populifolia (WCW; 1; 1956)
Betula pumila (ID; 1; 1993)
Betula ×utahensis (WTU; 8; 1961)