Genus: AGERATINA
 Family: ASTERACEAE

Source: USDA, NRCS. 2009. The PLANTS Database (http://plants.usda.gov, 24 June 2009). National Plant Data Center, Baton Rouge, LA 70874-4490 USA.
Genera of ASTERACEAE

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TAXON DISTRIB. IMAGES
Ageratina adenophora (Spreng.) King & H. Rob. Ricerca immagini di Ageratina adenophora (Spreng.) King & H. Rob. su Google
Views: 566

Subshrub, Forb/herb - Perennial

sticky snakeroot

Synonyms:
= Eupatorium adenophorum Spreng.
= Eupatorium glandulosum Kunth, non Michx.
Ageratina adenophora - Flowers at Sliding Sands Haleakala National Park, Maui - Credit: Forest and Kim Starr - Plants of Hawaii - Image licensed under a Creative Commons Attribution 3.0 License, permitting sharing and adaptation with attribution. Ageratina adenophora - Galls at Auwahi, Maui - Credit: Forest and Kim Starr - Plants of Hawaii - Image licensed under a Creative Commons Attribution 3.0 License, permitting sharing and adaptation with attribution. Ageratina adenophora - Credit: Photo by Renzo Salvo Ageratina adenophora - Flowerhead at Puu Kukui, Maui - Credit: Forest and Kim Starr - Plants of Hawaii - Image licensed under a Creative Commons Attribution 3.0 License, permitting sharing and adaptation with attribution. Ageratina adenophora - Flowers at Makawao Forest Reserve, Maui - Credit: Forest and Kim Starr - Plants of Hawaii - Image licensed under a Creative Commons Attribution 3.0 License, permitting sharing and adaptation with attribution.
Ageratina altissima (L.) King & H. Rob. Ricerca immagini di Ageratina altissima (L.) King & H. Rob. su Google
Views: 106

Forb/herb - Perennial

white snakeroot
Ageratina altissima (L.) King & H. Rob. var. altissima Ricerca immagini di Ageratina altissima (L.) King & H. Rob. var. altissima su Google
Views: 374

Forb/herb - Perennial

white snakeroot

Synonyms:
= Ageratum altissimum L., non Eupatorium altissimum L.
= Eupatorium rugosum Houtt.
= Eupatorium rugosum Houtt. var. chlorolepis Fernald
= Eupatorium rugosum Houtt. var. tomentellum (B.L. Rob.) S.F. Blake
= Eupatorium rugosum Houtt. var. villicaule (Fernald) S.F. Blake
= Eupatorium urticifolium Reichard var. tomentellum B.L. Rob.
Ageratina altissima var. altissima - Credit: Photo by Pierfranco Arrigoni Ageratina altissima var. altissima - Credit: Photo by Pierfranco Arrigoni Ageratina altissima var. altissima - Credit: Photo by Pierfranco Arrigoni Ageratina altissima var. altissima - Credit: Photo by Pierfranco Arrigoni Ageratina altissima var. altissima - Credit: Photo by Pierfranco Arrigoni
Ageratina altissima (L.) King & H. Rob. var. angustata (A. Gray) Clewell & Woot. Ricerca immagini di Ageratina altissima (L.) King & H. Rob. var. angustata (A. Gray) Clewell & Woot. su Google
Views: 103

Forb/herb - Perennial

white snakeroot

Synonyms:
= Eupatorium rugosum Houtt. var. angustata (A. Gray) S.F. Blake
Ageratina altissima (L.) King & H. Rob. var. roanensis (Small) Clewell & Woot. Ricerca immagini di Ageratina altissima (L.) King & H. Rob. var. roanensis (Small) Clewell & Woot. su Google
Views: 126

Forb/herb - Perennial

white snakeroot

Synonyms:
= Eupatorium roanense Small
= Eupatorium rugosum Houtt. var. roanense (Small) Fernald
= Eupatorium urticifolium Reichard
Ageratina altissima var. roanensis - USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 361. Ageratina altissima var. roanensis - USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 361.
Ageratina aromatica (L.) Spach Ricerca immagini di Ageratina aromatica (L.) Spach su Google
Views: 103

Forb/herb - Perennial

lesser snakeroot
Ageratina aromatica (L.) Spach var. aromatica Ricerca immagini di Ageratina aromatica (L.) Spach var. aromatica su Google
Views: 190

Forb/herb - Perennial

lesser snakeroot

Synonyms:
= Eupatorium aromaticum L.
= Eupatorium latidens Small
Ageratina aromatica var. aromatica - USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 362.
Ageratina aromatica (L.) Spach var. incisa (A. Gray) C.F. Reed Ricerca immagini di Ageratina aromatica (L.) Spach var. incisa (A. Gray) C.F. Reed su Google
Views: 110

Forb/herb - Perennial

lesser snakeroot

Synonyms:
= Eupatorium aromaticum L. var. incisum A. Gray
Ageratina havanensis (Kunth) King & H. Rob. Ricerca immagini di Ageratina havanensis (Kunth) King & H. Rob. su Google
Views: 99

Shrub - Perennial

Havana snakeroot

Synonyms:
= Eupatorium havanense Kunth
= Eupatorium texense (Torr. &
A. Gray) Rydb.
Ageratina herbacea (A. Gray) King & H. Rob. Ricerca immagini di Ageratina herbacea (A. Gray) King & H. Rob. su Google
Views: 116

Subshrub, Forb/herb - Perennial

fragrant snakeroot

Synonyms:
= Eupatorium herbaceum (A. Gray) Greene
Ageratina jucunda (Greene) Clewell & Woot. Ricerca immagini di Ageratina jucunda (Greene) Clewell & Woot. su Google
Views: 116

Forb/herb - Perennial

hammock snakeroot

Synonyms:
= Eupatorium juncundum Greene
Ageratina lemmonii (B.L. Rob.) King & H. Rob. Ricerca immagini di Ageratina lemmonii (B.L. Rob.) King & H. Rob. su Google
Views: 125

Forb/herb - Perennial

Lemmon's snakeroot

Synonyms:
= Eupatorium lemmonii B.L. Rob.
Ageratina luciae-brauniae (Fernald) King & H. Rob. Ricerca immagini di Ageratina luciae-brauniae (Fernald) King & H. Rob. su Google
Views: 87

Forb/herb - Perennial

Lucy Braun's snakeroot

Synonyms:
= Eupatorium luciae-brauniae Fernald
Ageratina occidentalis (Hook.) King & H. Rob. Ricerca immagini di Ageratina occidentalis (Hook.) King & H. Rob. su Google
Views: 91

Subshrub, Forb/herb - Perennial

western snakeroot

Synonyms:
= Eupatorium occidentale Hook.
Ageratina paupercula (A. Gray) King & H. Rob. Ricerca immagini di Ageratina paupercula (A. Gray) King & H. Rob. su Google
Views: 95

Forb/herb - Perennial

Santa Rita snakeroot

Synonyms:
= Eupatorium pauperculum A. Gray
Ageratina resiniflua (Urb.) King & H. Rob. Ricerca immagini di Ageratina resiniflua (Urb.) King & H. Rob. su Google
Views: 98

Shrub - Perennial

resinous snakeroot

Synonyms:
= Eupatorium resinifluum Urb.
Ageratina riparia (Regel) King & H. Rob. Ricerca immagini di Ageratina riparia (Regel) King & H. Rob. su Google
Views: 236

Subshrub, Shrub - Perennial

spreading snakeroot

Synonyms:
= Eupatorium riparium Regel
Ageratina riparia - Habit at Auwahi, Maui - Credit: Forest and Kim Starr - Plants of Hawaii - Image licensed under a Creative Commons Attribution 3.0 License, permitting sharing and adaptation with attribution. Ageratina riparia - Stem with biocontrol at West Maui, Maui - Credit: Forest and Kim Starr - Plants of Hawaii - Image licensed under a Creative Commons Attribution 3.0 License, permitting sharing and adaptation with attribution. Ageratina riparia - Habit at Auwahi, Maui - Credit: Forest and Kim Starr - Plants of Hawaii - Image licensed under a Creative Commons Attribution 3.0 License, permitting sharing and adaptation with attribution. Ageratina riparia - Flowering habit at Auwahi, Maui - Credit: Forest and Kim Starr - Plants of Hawaii - Image licensed under a Creative Commons Attribution 3.0 License, permitting sharing and adaptation with attribution. Ageratina riparia - Habit at Auwahi, Maui - Credit: Forest and Kim Starr - Plants of Hawaii - Image licensed under a Creative Commons Attribution 3.0 License, permitting sharing and adaptation with attribution.
Ageratina rothrockii (A. Gray) King & H. Rob. Ricerca immagini di Ageratina rothrockii (A. Gray) King & H. Rob. su Google
Views: 147

Subshrub, Forb/herb - Perennial

Rothrock's snakeroot

Synonyms:
= Eupatorium rothrockii A. Gray
Ageratina shastensis (D.W. Taylor & Stebbins) King & H. Rob. Ricerca immagini di Ageratina shastensis (D.W. Taylor & Stebbins) King & H. Rob. su Google
Views: 65

Subshrub - Perennial

Shasta snakeroot

Synonyms:
= Eupatorium shastense D.W. Taylor &
Stebbins
Ageratina wrightii (A. Gray) King & H. Rob. Ricerca immagini di Ageratina wrightii (A. Gray) King & H. Rob. su Google
Views: 77

Subshrub, Shrub - Perennial

Wright's snakeroot

Synonyms:
= Eupatorium wrightii A. Gray

More genera: Ageratum Aglaia Aglaonema Agnorhiza Agonimia Agoseris Agrestia Agrimonia Agroelymus Agropogon Agropyron Agrostemma