Gypsywort : Lycopus europaeus - Lamiaceae (Mint)
Chinese Bugleweed (Lycopus lucidus) - Cultivariable
Lycopus rubellus (stalked water-horehound): Go Botany
Lycopus lucidus - Wikipedia
Lycopus uniflorus - Wikispecies
Lycopus - Wikipedia
Plants of Louisiana
Consortium of Midwest Herbaria - Lycopus europaeus
LYCOPUS AMERICANUS | Water Horehound
SEINet Portal Network - Lycopus americanus
Species Profile - Lycopus europaeus
Lycopus americanus (American Water Horehound): Minnesota Wildflowers
Lycopus virginicus (Virginia water-horehound): Go Botany
Lycopus americanus Water Horehound | Prairie Moon Nursery
Lycopus virginicus - Wikipedia
Lycopus americanus | American Bugleweed | Common Water Horehound | 20
Vascular Plants of the Gila Wilderness-- Lycopus americanus
US Wildflower - Northern Bugleweed, Northern Water Horehound - Lycopus uniflorus
Bugleweed (Lycopus virginicus ) Native
Lycopus australis - Threatened Species Link
Lycopus americanus - Wikipedia
File:Lycopus europaeus 003.jpg - Wikimedia Commons
Water Horehounds - Lycopus SPP.: Edible & Medicinal Uses of the Culvert Mint of Wild Plants - Song of the Woods
