Collection Holdings native to District of Columbia:
Acoraceae
- Acorus calamus
- Asia, N. America
Apocynaceae
Subfamily Asclepiadoideae
Tribe Asclepiadeae
- Asclepias tuberosa
- SE. Canada, U.S.A. to N. Mexico
Araceae
Subfamily Lemnoideae
- Lemna minor
- Cosmopolitan
- Wolffia columbiana
- N & S America
Asteraceae
Subfamily Asteroideae
Tribe Heliantheae
- Helianthus tuberosus
- eastern North America
Convolvulaceae
Subfamily Convolvuloideae
Tribe Convolvuleae
- Calystegia sepium
- Europe, Asia, North America
Equisetaceae
- Equisetum hyemale
- eastern North America
Fabaceae
Subfamily Faboideae
Tribe Phaseoleae
- Apios americana
- eastern North America
Hydrocharitaceae
- Vallisneria americana
- N. America to Honduras, Colombia, Caribbean
Lentibulariaceae
- Utricularia gibba
- Trop. & Subtrop. Old World, America
- Utricularia vulgaris subsp. macrorhiza
- Siberia to Russian Far East and N. China, N. Japan, N. America
W/C
Lythraceae
Subfamily Lythroideae
Tribe Nesaeeae
- Decodon verticillatus
- eastern USA and Canada
W/C
Oleaceae
Subfamily
Tribe Oleeae
- Fraxinus americana
- USA
W/C
Orobanchaceae
Subfamily
Tribe Pedicularideae
- Pedicularis lanceolata
- central & eastern US & Canada
Penthoraceae
- Penthorum sedoides
- central & eastern US & Canada
Poaceae
Subfamily Panicoideae
Tribe Andropogoneae
- Schizachyrium scoparium
- Canada to Mexico
Subfamily Panicoideae
Tribe Paniceae
- Panicum sphaerocarpon
- SE. Canada to Ecuador, Cuba, SE. Brazil
Ranunculaceae
Subfamily Ranunculoideae
Tribe Cimicifugeae
- Actaea racemosa
- eastern North America
Sarraceniaceae
- Sarracenia purpurea
- Eastern N. America
Smilacaceae
- Smilax tamnoides
- S. Ontario to C. & E. U.S.A.
Violaceae
- Viola labradorica
- eastern North America
W/C = Wild Collected
= indicates flowering in past 14 days
= images available for this accession
= map available for this accession
= accession added within past 90 days
data regenerated on Tue, 27 May 2025 02:08:42 -0400