common St. Johnswort
Hypericum perforatum L.

Resources

Selected Images


0023009
0023009

common St. Johnswort
Hypericum perforatum
Flower(s)
Norman E. Rees
1559301
1559301

common St. Johnswort
Hypericum perforatum
Feature(s)
Ohio State Weed Lab Archive
1459528
1459528

common St. Johnswort
Hypericum perforatum
Fruit(s)
Steve Dewey
2187026
2187026

common St. Johnswort
Hypericum perforatum
Flower(s)
David Cappaert
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1196114

common St. Johnswort
Hypericum perforatum
Flower(s)
Jamie Nielsen
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1459525

common St. Johnswort
Hypericum perforatum
Flower(s)
Steve Dewey
0024070
0024070

common St. Johnswort
Hypericum perforatum
Plant(s)
Norman E. Rees
0025053
0025053

common St. Johnswort
Hypericum perforatum
Infestation
Norman E. Rees
1459526
1459526

common St. Johnswort
Hypericum perforatum
Flower(s)
Steve Dewey
1624011
1624011

common St. Johnswort
Hypericum perforatum
Plant(s)
Carol DiSalvo
1459529
1459529

common St. Johnswort
Hypericum perforatum
Root(s)
Steve Dewey
5307061
5307061

common St. Johnswort
Hypericum perforatum
Plant(s)
USDA PLANTS Database
5307062
5307062

common St. Johnswort
Hypericum perforatum
Seed(s)
Steve Hurst

Maps


EDDMapS Distribution - This map is incomplete and is based only on current site and county level reports made by experts, herbaria, and literature. For more information, visit www.eddmaps.org

EDDMapS Distribution

State Regulated List - This map identifies those states that list this species on their regulated list. For more information, visit Invasive.org

State Regulated List

Taxonomic Rank

Kingdom: Plantae
Phylum: Magnoliophyta
Class: Magnoliopsida
Subclass: Dilleniidae
Order: Theales
Family: Clusiaceae
Genus: Hypericum

Other System Links

Plants: HYPE
Bayer: HYPPE
GRIN: 19600
ITIS: 21454
NPDN Pest: PCBABBA
NPDN Host: 36404

Synonyms and Other Names

Other Common Names:
Klamathweed, St. John's wort

Categories

Category: Forbs/Herbs