Summary description from Wikipedia:

Ageratina altissima in languages:

Chinese

蛇根澤蘭

Chinese

蛇根草

Czech

nestarka bílá

Danish

Hvid ageratina

English

white snakeroot

Finnish

isovalkolatva

French

eupatoire rugueuse

German

Weiße Natternwurz

Hungarian

magas kenderbojt

Japanese

マルバフジバカマ

Korean

서양등골나물

Russian

Агератина высочайшая

Swedish

vitflockel

Swedish

rostflockel

Images from inaturalist.org observations:

We recommend you sign up for this excellent, free service.

©Jacob Toldi, some rights reserved (CC-BY-NC)

©blenisouth, some rights reserved (CC-BY-NC)

©kwpeters7, some rights reserved (CC-BY-NC)

©kwpeters7, some rights reserved (CC-BY-NC)

©kwpeters7, some rights reserved (CC-BY-NC)

©Jonathan Regosin, some rights reserved (CC-BY-NC)

©Mike Mosser, some rights reserved (CC-BY-NC)

©Mike Mosser, some rights reserved (CC-BY-NC)

©mcarcamocastro906, some rights reserved (CC-BY-NC)

©rollinbresson, some rights reserved (CC-BY-NC)

©rollinbresson, some rights reserved (CC-BY-NC)

©eliztol, some rights reserved (CC-BY-NC)

©Pete Nesterenko, some rights reserved (CC-BY-NC-SA)

©beckyclayton, some rights reserved (CC-BY-NC)

©beckyclayton, some rights reserved (CC-BY-NC)

©beckyclayton, some rights reserved (CC-BY-NC)

©luv2hikva, some rights reserved (CC-BY-NC)

©Brian Wulker, some rights reserved (CC-BY-NC)

©kelli_m, some rights reserved (CC-BY-NC)

©Skyler Principe, some rights reserved (CC-BY)

©kiersten_williams, some rights reserved (CC-BY-NC)

©kiersten_williams, some rights reserved (CC-BY-NC)

©kiersten_williams, some rights reserved (CC-BY-NC)

©benlitle, some rights reserved (CC-BY-NC)

©benlitle, some rights reserved (CC-BY-NC)

©benlitle, some rights reserved (CC-BY-NC)

©brnhn, some rights reserved (CC-BY-NC)

©musicalmud, some rights reserved (CC-BY-NC)

©bio302group1, some rights reserved (CC-BY-NC)

©bio302group1, some rights reserved (CC-BY-NC)

©bio302group1, some rights reserved (CC-BY-NC)

©bio302group1, some rights reserved (CC-BY-NC)

©bio302group1, some rights reserved (CC-BY-NC)

©bio302group1, some rights reserved (CC-BY-NC)

©kmogren, some rights reserved (CC-BY-NC-SA)

©kmogren, some rights reserved (CC-BY-NC-SA)

©nubertx, some rights reserved (CC-BY-NC)

©mark3939, some rights reserved (CC-BY-NC)

©honeythighs, some rights reserved (CC-BY-NC)

©jyoung2399, some rights reserved (CC-BY)

©jyoung2399, some rights reserved (CC-BY)

©brose6, some rights reserved (CC-BY-NC)

©kjalbrig2017, some rights reserved (CC-BY-NC)

©kjalbrig2017, some rights reserved (CC-BY-NC)

©kjalbrig2017, some rights reserved (CC-BY-NC)

©mcnallyanna, some rights reserved (CC-BY-NC)

©bog_badger, some rights reserved (CC-BY-NC)

©bog_badger, some rights reserved (CC-BY-NC)

©Robert Campion, some rights reserved (CC-BY-NC)

©moonglade87, some rights reserved (CC-BY-NC)

©averagewalrus, some rights reserved (CC-BY)

©Robert Campion, some rights reserved (CC-BY-NC)

©Robert Campion, some rights reserved (CC-BY-NC)

©Jeff D Hansen, some rights reserved (CC0)

©clb5937, some rights reserved (CC-BY-NC)

©gutshall, some rights reserved (CC-BY-NC)

©vtappy, some rights reserved (CC-BY-NC)

©Jeff D Hansen, some rights reserved (CC0)

©Chelsea Clifford, some rights reserved (CC-BY-NC)

©rema8, some rights reserved (CC-BY-NC)

©brody_davidson, some rights reserved (CC-BY-NC)

©sttaylor, some rights reserved (CC-BY-NC)

©Donald Meier, some rights reserved (CC-BY-NC)

©Donald Meier, some rights reserved (CC-BY-NC)

©Donald Meier, some rights reserved (CC-BY-NC)

©Donald Meier, some rights reserved (CC-BY-NC)

©Donald Meier, some rights reserved (CC-BY-NC)

©Donald Meier, some rights reserved (CC-BY-NC)

©JohnLDavis, some rights reserved (CC-BY-NC)

©afeigenbaum, some rights reserved (CC-BY-NC)

©afeigenbaum, some rights reserved (CC-BY-NC)

©afeigenbaum, some rights reserved (CC-BY-NC)

©afeigenbaum, some rights reserved (CC-BY-NC)

©wsturnbull, some rights reserved (CC-BY-NC)

©Lindsey Greidanus, some rights reserved (CC-BY-NC)

©golddragon56, some rights reserved (CC-BY-NC)

©golddragon56, some rights reserved (CC-BY-NC)

©golddragon56, some rights reserved (CC-BY-NC)

©golddragon56, some rights reserved (CC-BY-NC)

©Lindsey Greidanus, some rights reserved (CC-BY-NC)

©Lindsey Greidanus, some rights reserved (CC-BY-NC)

©Brian Antczak, some rights reserved (CC-BY-NC)

©Carol Nelson, some rights reserved (CC-BY-NC)

©Carol Nelson, some rights reserved (CC-BY-NC)

©graybetts, some rights reserved (CC-BY-NC)

©thewkey, some rights reserved (CC-BY-NC)

©Brian Antczak, some rights reserved (CC-BY-NC)

©mularo1, some rights reserved (CC-BY-NC)

©bluejay2121, some rights reserved (CC-BY-NC)

©Payton Lott, some rights reserved (CC-BY-NC)

©Payton Lott, some rights reserved (CC-BY-NC)

©lazarv, some rights reserved (CC-BY-NC)

©lazarv, some rights reserved (CC-BY-NC)

©Mason Heberling, some rights reserved (CC-BY)

©pauladbeale, some rights reserved (CC-BY-NC)

©marydmclean, some rights reserved (CC-BY-NC)

©marydmclean, some rights reserved (CC-BY-NC)

©adam_spieth12, some rights reserved (CC-BY-NC)

©mawhitaker76, some rights reserved (CC-BY-NC)

©random_user_12345, some rights reserved (CC-BY-NC)

©susand2021, some rights reserved (CC-BY-NC)

©flowers9083, some rights reserved (CC-BY-NC)

©jjelder, some rights reserved (CC-BY-NC)

©lshively, some rights reserved (CC-BY-NC)

©Shelby Lyn Sanders, some rights reserved (CC-BY-NC)

©lisap56, some rights reserved (CC-BY-NC)

©mcgraham59, some rights reserved (CC-BY-NC)

©shadyproject, some rights reserved (CC-BY-NC)

©meggee, some rights reserved (CC-BY-NC)

©j1479, some rights reserved (CC-BY-NC)

©dadmac1, some rights reserved (CC-BY-NC)

©dadmac1, some rights reserved (CC-BY-NC)

©cafaulhaber, some rights reserved (CC-BY-NC)

©wmhackberry, some rights reserved (CC-BY-NC)

©wmhackberry, some rights reserved (CC-BY-NC)

©wmhackberry, some rights reserved (CC-BY-NC)

©wmhackberry, some rights reserved (CC-BY-NC)

©joannerhutton, some rights reserved (CC-BY-NC)

©mrheffner, some rights reserved (CC-BY-NC)

©Paula Dreeszen, some rights reserved (CC-BY)

©jone1681, some rights reserved (CC-BY-NC)

©leah_kaya16, some rights reserved (CC-BY-NC)

©Donna J. Parry, some rights reserved (CC-BY-NC)

©Donna J. Parry, some rights reserved (CC-BY-NC)

©Jason E. Farabaugh, some rights reserved (CC-BY)

©robwolfinbarger, some rights reserved (CC-BY-NC)

©Natalie Waddell-Rutter, some rights reserved (CC-BY-NC-SA)

©Natalie Waddell-Rutter, some rights reserved (CC-BY-NC-SA)

©ms_tenella, some rights reserved (CC-BY-NC)

©ms_tenella, some rights reserved (CC-BY-NC)

©ms_tenella, some rights reserved (CC-BY-NC)

©ms_tenella, some rights reserved (CC-BY-NC)

©cruzbe, some rights reserved (CC-BY-NC)

©dschwartz01, some rights reserved (CC-BY-NC)

©erincast, some rights reserved (CC-BY-NC)

©citizenlynn, some rights reserved (CC-BY-NC)

©citizenlynn, some rights reserved (CC-BY-NC)

©Rene Kimray, some rights reserved (CC-BY-NC)

©Rene Kimray, some rights reserved (CC-BY-NC)

©dschwartz01, some rights reserved (CC-BY-NC)

©Mayank Mathur, some rights reserved (CC-BY-NC)

©vrschmalhofer, some rights reserved (CC-BY)

©Serena, some rights reserved (CC-BY-NC)

©Mayank Mathur, some rights reserved (CC-BY-NC)

©Mayank Mathur, some rights reserved (CC-BY-NC)

©jeromoto, some rights reserved (CC-BY-NC)

©rebekaht79, some rights reserved (CC-BY-NC)

©madca, some rights reserved (CC-BY-NC)

©kyliehudson, some rights reserved (CC-BY-NC)

©jeromoto, some rights reserved (CC-BY-NC)

©darcyshirley, some rights reserved (CC-BY-NC)

©sylvie_seek, some rights reserved (CC-BY-NC)

©jeromoto, some rights reserved (CC-BY-NC)

©jeromoto, some rights reserved (CC-BY-NC)

©jeromoto, some rights reserved (CC-BY-NC)

©jeromoto, some rights reserved (CC-BY-NC)

©jeromoto, some rights reserved (CC-BY-NC)

©bella7wimmer, some rights reserved (CC-BY-NC)

©azornoutdoors, some rights reserved (CC-BY-NC)

©azornoutdoors, some rights reserved (CC-BY-NC)

Parent Taxon

• Ageratina

Sibling Taxa

• Ageratina acevedoana
• Ageratina adenophora
• Ageratina adenophoroides
• Ageratina aegirophylla
• Ageratina altissima
• Ageratina amblyolepis
• Ageratina anchistea
• Ageratina angustifolia
• Ageratina anisochroma
• Ageratina apollinairei
• Ageratina areolaris
• Ageratina aromatica
• Ageratina arsenei
• Ageratina astellera
• Ageratina atrocordata
• Ageratina ayerscottiana
• Ageratina badia
• Ageratina barriei
• Ageratina beamanii
• Ageratina bellidifolia
• Ageratina blepharilepis
• Ageratina bobjansenii
• Ageratina brandegeeana
• Ageratina brevipes
• Ageratina bustamenta
• Ageratina calaminthifolia
• Ageratina calophylla
• Ageratina campii
• Ageratina campyloclada
• Ageratina capillipes
• Ageratina cardiophylla
• Ageratina carmonis
• Ageratina celestini
• Ageratina cerifera
• Ageratina chazaroana
• Ageratina chimalapana
• Ageratina chiriquensis
• Ageratina choricephala
• Ageratina choricephaloides
• Ageratina colimana
• Ageratina collodes
• Ageratina concordiana
• Ageratina crassimonticola
• Ageratina crassiramea
• Ageratina cremasta
• Ageratina cronquistii
• Ageratina cruzii
• Ageratina cuencana
• Ageratina cuicatlana
• Ageratina cumbensis
• Ageratina cutervensis
• Ageratina cylindrica
• Ageratina dasyneura
• Ageratina davidsei
• Ageratina deltoidea
• Ageratina desquamans
• Ageratina dolichobasis
• Ageratina eleazarii
• Ageratina enixa
• Ageratina espinosarum
• Ageratina etlana
• Ageratina etlensis
• Ageratina ewanii
• Ageratina fleischmannioides
• Ageratina flourensifolia
• Ageratina funckii
• Ageratina geminata
• Ageratina gentryana
• Ageratina gilbertii
• Ageratina glabrata
• Ageratina glandulifera
• Ageratina glauca
• Ageratina glechonophylla
• Ageratina glischra
• Ageratina gonzaleziorum
• Ageratina gracilis
• Ageratina grandifolia
• Ageratina grashoffii
• Ageratina gypsophila
• Ageratina halbertiana
• Ageratina harlingii
• Ageratina hasegawana
• Ageratina havanensis
• Ageratina hederifolia
• Ageratina helenae
• Ageratina henzium
• Ageratina herbacea
• Ageratina hernandezii
• Ageratina hidalgensis
• Ageratina huahuapana
• Ageratina humochica
• Ageratina hyssopina
• Ageratina ibaguensis
• Ageratina ilicifolia
• Ageratina illita
• Ageratina iltisii
• Ageratina intercostulata
• Ageratina intibucensis
• Ageratina irrasa
• Ageratina isolepis
• Ageratina ixiocladon
• Ageratina jaliscensis
• Ageratina jalpana
• Ageratina jalpanserra
• Ageratina jocotepecana
• Ageratina josepaneroi
• Ageratina josephensis
• Ageratina jucunda
• Ageratina juxtlahuacensis
• Ageratina killipii
• Ageratina kochiana
• Ageratina lapsensis
• Ageratina lasia
• Ageratina lasioneura
• Ageratina leiocarpa
• Ageratina lemmonii
• Ageratina leptodictyon
• Ageratina liebmannii
• Ageratina ligustrina
• Ageratina lobulifera
• Ageratina lorentzii
• Ageratina luciae-brauniae
• Ageratina lucida
• Ageratina macdonaldii
• Ageratina macvaughii
• Ageratina mairetiana
• Ageratina malacolepis
• Ageratina manantlana
• Ageratina markporteri
• Ageratina mayajana
• Ageratina mazatecana
• Ageratina megacephala
• Ageratina megaphylla
• Ageratina miahuatlana
• Ageratina microcephala
• Ageratina miquihuana
• Ageratina moorei
• Ageratina muelleri
• Ageratina neohintoniorum
• Ageratina nesomii
• Ageratina oaxacana
• Ageratina occidentalis
• Ageratina oligocephala
• Ageratina oppositifolia
• Ageratina oreithales
• Ageratina ovilla
• Ageratina ozolotepecana
• Ageratina palmeri
• Ageratina parayana
• Ageratina parviceps
• Ageratina paucibracteata
• Ageratina pauciflora
• Ageratina paupercula
• Ageratina pazcuarensis
• Ageratina pelotropha
• Ageratina pendula
• Ageratina perezii
• Ageratina persetosa
• Ageratina petiolaris
• Ageratina photina
• Ageratina pichinchensis
• Ageratina pochutlana
• Ageratina potosina
• Ageratina pringlei
• Ageratina prunellifolia
• Ageratina psilodora
• Ageratina queretaroana
• Ageratina ramireziorum
• Ageratina ramonensis
• Ageratina rangelii
• Ageratina regalis
• Ageratina resinifera
• Ageratina resiniflua
• Ageratina rhodopappa
• Ageratina rhodopoda
• Ageratina rhomboidea
• Ageratina rhypodes
• Ageratina riparia
• Ageratina riskindii
• Ageratina rivalis
• Ageratina roanensis
• Ageratina robinsoniana
• Ageratina rosei
• Ageratina rothrockii
• Ageratina rubricaulis
• Ageratina rupicola
• Ageratina salicifolia
• Ageratina saltillensis
• Ageratina sandersii
• Ageratina saxorum
• Ageratina schaffneri
• Ageratina scopulorum
• Ageratina scorodonioides
• Ageratina seleri
• Ageratina serboana
• Ageratina serrulata
• Ageratina shastensis
• Ageratina sodiroi
• Ageratina soejimana
• Ageratina solana
• Ageratina sotarensis
• Ageratina sousae
• Ageratina spooneri
• Ageratina sternbergiana
• Ageratina stricta
• Ageratina subinclusa
• Ageratina sundbergii
• Ageratina tambillensis
• Ageratina tarmensis
• Ageratina tejalapana
• Ageratina tenuis
• Ageratina textitlana
• Ageratina thyrsiflora
• Ageratina tinifolia
• Ageratina tomentella
• Ageratina trianae
• Ageratina triangulata
• Ageratina triniona
• Ageratina venulosa
• Ageratina vernalis
• Ageratina vernicosa
• Ageratina viburnoides
• Ageratina viejoana
• Ageratina villarrealii
• Ageratina villonacoensis
• Ageratina viscosissima
• Ageratina warnockii
• Ageratina websteri
• Ageratina wrightii
• Ageratina yaharana
• Ageratina yecorana
• Ageratina zapalinama
• Ageratina zaragozana
• Ageratina zinniifolia
• Ageratina zunilana
• Andinia
• Apoda

Child Taxa

• Ageratina altissima altissima
• Ageratina altissima angustata

Top Observation Places

• Janesville
• Fayetteville
• Wichita
• Lafayette
• Johnson City
• Youngstown
• Birmingham
• Decatur
• West Raleigh
• Sioux City
• Eau Claire
• Evansville
• Worcester
• Topeka
• Clarksville
• Bloomington
• Normal
• Lincoln
• Sioux Falls
• Lee's Summit
• Blue Springs
• Seoul
• Kalamazoo
• Manhattan
• Fort Wayne
• Springfield
• Austin
• South Bend
• Terre Haute
• Chattanooga
• Erie
• Sandy Springs
• Smyrna
• Appleton
• Rogers
• Rochester
• West Des Moines
• Grand Rapids
• Wyoming
• Cedar Rapids
• Houston
• Alief
• Huntsville
• New Haven
• Hamden
• Davenport
• Lawrence
• Peoria
• North Peoria
• Ames