Vascular Plants of Oregon
Araceae
Araceae
Generated from PNW Herbaria database
July 10, 2025.
9 genus names
19 species/infraspecies names
(names highlighted in brown could not be resolved to an accepted name)
Index to Genera:
A: Arum
D: Dracunculus
L: Lemna, Lysichiton
S: Spirodela
W: Wolffia
Z: Zantedeschia,
Arum italicum (HPSU, OSC, WTU; 12; 1988-2018)
ssp. italicum (OSC, WTU; 3; 1988-2004)
Dracunculus vulgaris (OSC; 3; 1986)
Lemna gibba (CIC, OSC, REED, VALE; 5; 1886-2001)
Lemna minor (CIC, HOYT, HPSU, ID, IDS, LINF, OSC, REED, SOC, VALE, WCW, WS, WTU; 81; 1899-2020)
Lemna minuta (OSC, SOC, WS, WTU; 15; 1938-2016)
Lemna trisulca (HPSU, OSC; 18; 1879-2013)
Lemna turionifera (CIC, ID, OSC, WS, WTU; 25; 1893-2019)
Lemna valdiviana (OSC; 1; 1899)
Lysichiton americanus (CIC, EWU, HJAEF, HJAEFB, HPSU, ID, IDS, LINF, NY, OSC, REED, SOC, SRP, WCW, WS, WTU; 130; 1882-2013)
Lysichiton camtschatcensis (MONT; 1; 1917)
Peltandra virginica (OSC, WTU; 3; 1982-2005)
Pistia stratiotes (OSC; 2; 2013-2014)
Spirodela oligorrhiza (BLMVL, OSC, WTU; 9; 1961-2016)
Spirodela polyrhiza (CIC, HPSU, OSC, PSM, SOC, WS, WTU; 37; 1918-2019)
Wolffia borealis (HPSU, OSC, WTU; 7; 1963-2016)
Wolffia brasiliensis (HOYT, HPSU, OSC, WTU; 21; 1963-2019)
Wolffia columbiana (HOYT, HPSU, ID, OSC, WS, WTU; 18; 1962-2019)
Zantedeschia aethiopica (OSC, SOC, WTU; 6; 1975-2013)