CPC Plant Profile: Suisun Marsh Aster
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Plant Profile

Suisun Marsh Aster (Symphyotrichum lentum)

Photo Credit: ©2008 Ellen Tatum
Description
  • Global Rank: G2 - Imperiled
  • Legal Status: N/A
  • Family: Asteraceae
  • State: CA
  • Nature Serve ID: 161292
  • Date Inducted in National Collection: 09/18/2021

Aster chilensis var. lentus is an unofficial synonym for the accepted scientific name, Symphyotrichum lentum – the Suisun Marsh Aster. Named after its native region, Suisun Marsh (among others) is part of the larger Sacramento – San Joaquin River Delta; today, the Suisun Marsh Aster can be found across this delta region growing alongside other freshwater marshland fauna like tules. A. c. var. lentus is a perennial herb with long, lance-shaped leaves, can grow up to 5ft tall, and can be found in bloom for over half the year (May – Nov). The flowers that are produced consist of light violet florets with yellow disc florets at its center.  Endemic to the river delta, A. c. var. lentus is an Imperiled species that suffers from mainly habitat loss. 

Participating Institutions
Updates
  • 09/01/2020
  • Orthodox Seed Banking

Based on an September 2020 extract of the California Plant Rescue Database, California Botanic Garden holds 1 accessions of Symphyotrichum lentum in orthodox seed collection. There are as many as 1584 seeds of this species in their collection - although some may have been used for curation testing or sent to back up.

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Photos
Nomenclature
Taxon Symphyotrichum lentum
Authority (Greene) G.L. Nesom
Family Asteraceae
CPC Number 334
ITIS 522222
USDA SYLE2
Common Names Suisun Aster | Suisun Marsh Aster
Associated Scientific Names Symphyotrichum lentum | Aster chilensis var. lentus | Aster chilensis var. sonomensis | Aster sonomensis | Aster lentus
Distribution The Suisun Marsh and the rest of the Sacramento - San Joaquin River Delta spans across multiple counties including Sacramento, San Joaquin, Contra Costa, Solano, Yolo, and Napa counties. 
State Rank
State State Rank
California S2
Habitat

A. c. var. lentus prefers freshwater marshlands along tidal streams where it grows alongside tules. 

Ecological Relationships

Pollinators
Common Name Name in Text Association Type Source InteractionID
Bees
Sweat bees Agapostemon radiatus Not Specified Link
Sweat bees Agapostemon splendens Not Specified Link
Sweat bees Agapostemon texanus Not Specified Link
Sweat bees Chloralictus coreopsis Not Specified Link
Sweat bees Agapostemon viridulus Not Specified Link
Sweat bees Chloralictus foveolatus Not Specified Link
Sweat bees Chloralictus illinoensis Not Specified Link
Sweat bees Chloralictus obscurus Not Specified Link
Leaf-cutting bees Megachile brevis Not Specified Link
Sweat bees Chloralictus pilosus Not Specified Link
Leaf-cutting bees Megachile generosa Not Specified Link
Stingless bees Tetralonia dilecta Not Specified Link
Sweat bees Chloralictus pruinosus Not Specified Link
Leaf-cutting bees Megachile mendica Not Specified Link
Stingless bees Tetralonia dubitata Not Specified Link
Sweat bees Chloralictus smilacinae Not Specified Link
Sweat bees Lasioglossum macoupinense Not Specified Link
Long-horned bees Melissodes agilis Not Specified Link
Stingless bees Tetralonia robertsonii Not Specified Link
Sweat bees Chloralictus sparsus Not Specified Link
Sweat bees Evylaeus arcuatus Not Specified Link
Long-horned bees Melissodes asteris Not Specified Link
Sweat bees Chloralictus tegularis Not Specified Link
Sweat bees Evylaeus foxii Not Specified Link
Long-horned bees Melissodes autumnalis Not Specified Link
Sweat bees Chloralictus versatus Not Specified Link
Sweat bees Evylaeus pectoralis Not Specified Link
Long-horned bees Melissodes bimaculata Not Specified Link
Sweat bees Chloralictus zephyrus Not Specified Link
Long-horned bees Melissodes boltoniae Not Specified Link
Long-horned bees Melissodes nivea Not Specified Link
Long-horned bees Melissodes simillima Not Specified Link
Mining bees Andrena nubecula Not Specified Link
Long-horned bees Melissodes trinodis Not Specified Link
Mining bees Pseudopanurgus albitarsis Not Specified Link
Cuckoo bees Triepeolus concolor Not Specified Link
Leaf-cutting bees Coelioxys dentata Not Specified Link
Mining bees Pseudopanurgus asteris Not Specified Link
Cuckoo bees Triepeolus cressonii Not Specified Link
Leaf-cutting bees Coelioxys rufitarsis Not Specified Link
Mining bees Pseudopanurgus compositarum Not Specified Link
Cuckoo bees Triepeolus donatus Not Specified Link
Leaf-cutting bees Anthemois centuncularis Not Specified Link
Leaf-cutting bees Coelioxys sayi Not Specified Link
Cuckoo bees Triepeolus micropygius Not Specified Link
Leaf-cutting bees Anthidium psoraleae Not Specified Link
Bumble bees Psithyrus variabilis Not Specified Link
Cuckoo bees Triepeolus pectoralis Not Specified Link
Anthophorine bees Anthophora ursina Not Specified Link
Mining bees Pterandrena asteris Not Specified Link
Cellophane bees Colletes americanus Not Specified Link
Sweat bees Halictus lerouxii Not Specified Link
Mining bees Pterandrena helianthi Not Specified Link
Cellophane bees Colletes armatus Not Specified Link
Sweat bees Halictus parallelus Not Specified Link
Mining bees Pterandrena pulchella Not Specified Link
Cellophane bees Colletes compactus Not Specified Link
Leaf-cutting bees Neotrypetes productus Not Specified Link
Mining bees Pterandrena solidaginis Not Specified Link
Honey bees Apis mellifera Not Specified Link
Cellophane bees Colletes eulophi Not Specified Link
Leaf-cutting bees Neotrypetes truncatus Not Specified Link
Sweat bees Curtisapis coriacea Not Specified Link
Sweat bees Curtisapis forbesii Not Specified Link
Sweat bees Odontalictus ligatus Not Specified Link
Sweat bees Augochlora fervida Not Specified Link
Sweat bees Curtisapis fuscipennis Not Specified Link
Leaf-cutting bees Sayapis sayi Not Specified Link
Sweat bees Augochlora viridula Not Specified Link
Mining bees Heterosarus parvus Not Specified Link
Cuckoo bees Holonomada placida Not Specified Link
Leaf-cutting bees Osmia atriventris Not Specified Link
Cuckoo bees Holonomada vincta Not Specified Link
Leaf-cutting bees Osmia collinsiae Not Specified Link
Sweat bees Seladonia fasciata Not Specified Link
Leaf-cutting bees Xanthosarus latimanus Not Specified Link
Leaf-cutting bees Osmia illinoensis Not Specified Link
Leaf-cutting bees Osmia pumila Not Specified Link
Sweat bees Oxystoglossa confusa Not Specified Link
Sweat bees Oxystoglossa pura Not Specified Link
Bumble bees Bombias auricomus Not Specified Link
Sweat bees Dialictus anomalus Not Specified Link
Sweat bees Oxystoglossa similis Not Specified Link
Bumble bees Bombias scutellaris Not Specified Link
Sweat bees Dialonia antennariae Not Specified Link
Bumble bees Bombias separatus Not Specified Link
Bumble bees Bombus americanorum Not Specified Link
Bumble bees Bombus consimilis Not Specified Link
Bumble bees Bombus impatiens Not Specified Link
Sweat bees Paralictus platyparius Not Specified Link
Sweat bees Sphecodium cressonii Not Specified Link
Mining bees Perdita maculata Not Specified Link
Mining bees Calliopsis andreniformis Not Specified Link
Cuckoo bees Epeolus autumnalis Not Specified Link
Cuckoo bees Epeolus bifasciatus Not Specified Link
Cuckoo bees Epeolus pusillus Not Specified Link
Centris bees Ceratina dupla Not Specified Link
Long-horned bees Epimelissodes obliqua Not Specified Link
Butterflies & Moths
Brush-footed butterflies Euptoieta claudia Not Specified Link
Noctuid moths Plusia simplex Not Specified Link
Sulphurs Eurema lisa Not Specified Link
Sulphurs Eurymus philodice Not Specified Link
Blues Everes comyntas Not Specified Link
Skippers Polites peckius Not Specified Link
Whites Pontia protodice Not Specified Link
Skippers Thanaos icelus Not Specified Link
Skippers Thanaos juvenalis Not Specified Link
Skippers Thanaos martialis Not Specified Link
Coppers Chrysophanus thoe Not Specified Link
Noctuid moths Feltia subgothica Not Specified Link
Brush-footed butterflies Anosia plexippus Not Specified Link
Sulphurs Nathalis iole Not Specified Link
Hairstreaks Uranotes melinus Not Specified Link
Brush-footed butterflies Vanessa cardui Not Specified Link
Brush-footed butterflies Vanessa huntera Not Specified Link
Noctuid moths Heliothis armiger Not Specified Link
Skippers Atalopedes huron Not Specified Link
Skippers Hesperia montivaga Not Specified Link
Sulphurs Xanthidia nicippe Not Specified Link
Azures Cyaniris pseudargiolus Not Specified Link
Noctuid moths Scepsis fulvicollis Not Specified Link
Brush-footed butterflies Basilarchia astyanax Not Specified Link
Skippers Hylephila phylaeus Not Specified Link
Brush-footed butterflies Hypatus bachmanni Not Specified Link
Sulphurs Zerene caesonia Not Specified Link
Swallowtails Papilio asterias Not Specified Link
Brush-footed butterflies Junonia coenia Not Specified Link
Noctuid moths Drasteria erechtea Not Specified Link
Swallowtails Callidryas eubule Not Specified Link
Skippers Epargyreus tityrus Not Specified Link
Skippers Limochores taumas Not Specified Link
Brush-footed butterflies Phyciodes tharos Not Specified Link
Brush-footed butterflies Charidryas nycteis Not Specified Link
Whites Pieris rapae Not Specified Link
Beetles
Soldier beetles Chauliognathus pennsylvanicus Not Specified Link
Scarab beetles Euphoria sepulchralis Not Specified Link
Longhorn beetles Cyllene robiniae Not Specified Link
Leaf beetles Diabrotica punctata Not Specified Link
Leaf beetles Diabrotica longicornis Not Specified Link
Leaf beetles Diabrotica vittata Not Specified Link
Blister beetles Epicauta pennsylvanica Not Specified Link
Diving beetles Leionotus histrionalis Not Specified Link
Flies
Tachinid flies Actia pilipennis Not Specified Link
Blow flies Lucilia sericata Not Specified Link
Syrphid flies Pipiza nigribarba Not Specified Link
Syrphid flies Syrphus americanus Not Specified Link
Blow flies Lucilia sylvarum Not Specified Link
Syrphid flies Pipiza pulchella Not Specified Link
Syrphid flies Syrphus arcuatus Not Specified Link
Syrphid flies Chilosia punctulata Not Specified Link
Syrphid flies Syrphus ribesii Not Specified Link
Tachinid flies Euphorocera claripennis Not Specified Link
Syrphid flies Platychirus quadratus Not Specified Link
Syrphid flies Syrphus torvus Not Specified Link
Bee flies Systoechus vulgaris Not Specified Link
Tachinid flies Macquartia pristis Not Specified Link
Bee flies Systropus macer Not Specified Link
Syrphid flies Allograpta obliqua Not Specified Link
Tachinid flies Alophora aeneoventris Not Specified Link
Tachinid flies Euthera tentatrix Not Specified Link
Tachinid flies Alophora pulverea Not Specified Link
Bee flies Toxophora amphitea Not Specified Link
Bee flies Exoprosopa decora Not Specified Link
Shore flies Trichophora ruficauda Not Specified Link
Tachinid flies Cistogaster occidua Not Specified Link
Bee flies Exoprosopa fasciata Not Specified Link
Tachinid flies Trichopoda pennipes Not Specified Link
Tachinid flies Clytiomyia flava Not Specified Link
Bee flies Exoprosopa fascipennis Not Specified Link
Syrphid flies Mesogramma geminata Not Specified Link
Crane flies Geranomyia canadensis Not Specified Link
Syrphid flies Mesogramma marginata Not Specified Link
Bee flies Geron rufipes Not Specified Link
House flies and kin Pseudopyrellia cornicina Not Specified Link
House flies and kin Coenosia notata Not Specified Link
Syrphid flies Milesia ornata Not Specified Link
House flies and kin Coenosia antennalis Not Specified Link
House flies and kin Graphomyia americana Not Specified Link
Syrphid flies Pterallastes thoracicus Not Specified Link
Syrphid flies Tropidia albistylum Not Specified Link
Bee flies Anthrax alternata Not Specified Link
House flies and kin Coenosia antica Not Specified Link
Tachinid flies Gymnosoma fuliginosa Not Specified Link
House flies and kin Musca domestica Not Specified Link
Syrphid flies Tropidia mamillata Not Specified Link
Bee flies Anthrax halcyon Not Specified Link
House flies and kin Myospila meditabunda Not Specified Link
Fruit flies Trypeta humilis Not Specified Link
Bee flies Anthrax hypomelas Not Specified Link
Tachinid flies Apinops atra Not Specified Link
Flesh flies Helicobia setosa Not Specified Link
Tachinid flies Ptilodexia abdominalis Not Specified Link
Tachinid flies Archytas analis Not Specified Link
Blow flies Compsomyia macellaria Not Specified Link
Flesh flies Helicobia helicis Not Specified Link
Thick-headed flies Robertsonomyia palpalis Not Specified Link
Tachinid flies Archytas aterrima Not Specified Link
Thick-headed flies Conops xanthopareus Not Specified Link
Tachinid flies Ocyptera lata Not Specified Link
Flesh flies Sarcophaga assidua Not Specified Link
Bee flies Argyramoeba albofasciata Not Specified Link
Syrphid flies Helophilus latifrons Not Specified Link
Tachinid flies Ocyptera tenuis Not Specified Link
Flesh flies Sarcophaga cimbicis Not Specified Link
Syrphid flies Helophilus similis Not Specified Link
Flesh flies Sarcophaga hunteri Not Specified Link
Tachinid flies Winthemia quadripustulata Not Specified Link
Thick-headed flies Oncomyia loraria Not Specified Link
Syrphid flies Orthoneura nitida Not Specified Link
Syrphid flies Xanthogramma emarginata Not Specified Link
Syrphid flies Baccha clavata Not Specified Link
Tachinid flies Xanthomelana arcuata Not Specified Link
Syrphid flies Baccha fuscipennis Not Specified Link
Blow flies Cynomyia cadaverina Not Specified Link
Tachinid flies Cyphocera fucata Not Specified Link
Root-maggot flies Hylemyia laevis Not Specified Link
Flesh flies Senotainia rubriventris Not Specified Link
Tachinid flies Belvosia bifasciata Not Specified Link
Flesh flies Senotainia trilineata Not Specified Link
Tachinid flies Belvosia unifasciata Not Specified Link
Syrphid flies Sericomyia chrysotoxoides Not Specified Link
Thick-headed flies Zodion fulvifrons Not Specified Link
Tachinid flies Hypostena barbata Not Specified Link
Tachinid flies Siphona geniculata Not Specified Link
Thick-headed flies Zodion nanellum Not Specified Link
Tachinid flies Siphoplagia anomala Not Specified Link
March flies Dilophus serotinus Not Specified Link
Tachinid flies Paradidyma singularis Not Specified Link
Tachinid flies Siphoplagia flaccidirostris Not Specified Link
Tachinid flies Distichona varia Not Specified Link
Syrphid flies Paragus bicolor Not Specified Link
Syrphid flies Paragus tibialis Not Specified Link
Tachinid flies Spallanzania hesperidarum Not Specified Link
Bee flies Sparnopolius fulvus Not Specified Link
Bee flies Bombylius major Not Specified Link
Syrphid flies Sphaerophoria cylindrica Not Specified Link
Tachinid flies Ennyomma globosa Not Specified Link
Tachinid flies Peleteria robusta Not Specified Link
Root-maggot flies Calythea albicincta Not Specified Link
Tachinid flies Celatoria diabroticae Not Specified Link
Tachinid flies Phorantha asteris Not Specified Link
Tachinid flies Epigrimyia floridensis Not Specified Link
Tachinid flies Phorantha magna Not Specified Link
Syrphid flies Spilomyia fasciata Not Specified Link
Tachinid flies Leskiomima prima Not Specified Link
Tachinid flies Phorantha pruinosa Not Specified Link
Syrphid flies Spilomyia longicornis Not Specified Link
Tachinid flies Leucostoma atra Not Specified Link
Tachinid flies Phorantha purpurascens Not Specified Link
Syrphid flies Eristalis aeneus Not Specified Link
Tachinid flies Leucostoma neomexicana Not Specified Link
Root-maggot flies Phorbia acra Not Specified Link
Syrphid flies Eristalis bastardi Not Specified Link
Tachinid flies Leucostoma nigricornis Not Specified Link
Root-maggot flies Phorbia platura Not Specified Link
House flies and kin Stomoxys calcitrans Not Specified Link
Syrphid flies Eristalis dimidiatus Not Specified Link
House flies and kin Limnophora narona Not Specified Link
Blow flies Phormia regina Not Specified Link
Tachinid flies Chaetogaedia crebra Not Specified Link
Syrphid flies Eristalis flavipes Not Specified Link
Thick-headed flies Stylogaster biannulata Not Specified Link
Picture-winged flies Chaetopsis aenea Not Specified Link
Syrphid flies Eristalis latifrons Not Specified Link
Tachinid flies Linnaemyia compta Not Specified Link
Thick-headed flies Physocephala texana Not Specified Link
Syrphid flies Eristalis tenax Not Specified Link
Thick-headed flies Physocephala tibialis Not Specified Link
Syrphid flies Eristalis transversus Not Specified Link
Blow flies Lucilia caesar Not Specified Link
Syrphid flies Syritta pipiens Not Specified Link
Other
Weevil wasps Eucerceris zonatus Not Specified Link
Parasitoid wasps Chelonus sericeus Not Specified Link
Potter wasps Eumenes fraternus Not Specified Link
Seed bugs Lygaeus turcicus Not Specified Link
Plant bugs Lygus pratensis Not Specified Link
Parasitoid wasps Agathis vulgaris Not Specified Link
Paper wasps Polistes annularis Not Specified Link
Paper wasps Polistes pallipes Not Specified Link
Square-headed wasps Tachytes obscurus Not Specified Link
Paper wasps Polistes rubiginosus Not Specified Link
Paper wasps Polistes variatus Not Specified Link
Broad-headed bugs Alydus eurinus Not Specified Link
Broad-headed bugs Alydus pilosulus Not Specified Link
Thread-waisted wasps Ammobia ichneumonea Not Specified Link
Thread-waisted wasps Priononyx atrata Not Specified Link
Potter wasps Ancistrocerus campestris Not Specified Link
Weevil wasps Prosopis illinoensis Not Specified Link
Potter wasps Ancistrocerus capra Not Specified Link
Ichneumon wasps Exetastes obscurus Not Specified Link
Weevil wasps Prosopis pygmaea Not Specified Link
Potter wasps Ancistrocerus catskillensis Not Specified Link
Proteraner ranunculi Not Specified Link
Potter wasps Ancistrocerus tigris Not Specified Link
Square-headed wasps Protothyreopus rufifemur Not Specified Link
Spider wasps Anoplius illinoensis Not Specified Link
Cuckoo wasps Gonochrysis perpulchra Not Specified Link
Square-headed wasps Mimesa cressonii Not Specified Link
Plant bugs Harmostes reflexulus Not Specified Link
Square-headed wasps Notogonidea argentata Not Specified Link
Yellowjackets Vespula cuneata Not Specified Link
Yellowjackets Vespula germanica Not Specified Link
Potter wasps Vespula maculata Not Specified Link
Vespid wasps Scolia bicincta Not Specified Link
Zendalia zendaloides Not Specified Link
Sand wasps Bicyrtes ventralis Not Specified Link
Square-headed wasps Hypocrabro maculatus Not Specified Link
Assassin bugs Sinea diadema Not Specified Link
Thread-waisted wasps Isodontia apicalis Not Specified Link
Ichneumon wasps Lampronota varia Not Specified Link
Square-headed wasps Solenius interruptus Not Specified Link
Square-headed wasps Larropsis distincta Not Specified Link
Scoliid wasps Elis cincta Not Specified Link
Potter wasps Leionotus anormis Not Specified Link
Scoliid wasps Elis interrupta Not Specified Link
Potter wasps Leionotus arvensis Not Specified Link
Parasitoid wasps Bracon longicauda Not Specified Link
Potter wasps Leionotus clypeatus Not Specified Link
Potter wasps Leionotus dorsalis Not Specified Link
Thread-waisted wasps Sphex gracilis Not Specified Link
Potter wasps Leionotus foraminatus Not Specified Link
Bee-killer wasp Philanthus politus Not Specified Link
Thread-waisted wasps Sphex nigricans Not Specified Link
Bee-killer wasp Philanthus punctatus Not Specified Link
Thread-waisted wasps Sphex pictipennis Not Specified Link
Potter wasps Leionotus fundatus Not Specified Link
Bee-killer wasp Philanthus ventilabris Not Specified Link
Thread-waisted wasps Sphex procera Not Specified Link
Thread-waisted wasps Sphex vulgaris Not Specified Link
Weevil wasps Cerceris astarte Not Specified Link
Potter wasps Leionotus scrophulariae Not Specified Link
Weevil wasps Cerceris bicornuta Not Specified Link
Weevil wasps Cerceris clypeata Not Specified Link
Spider wasps Episyron biguttatus Not Specified Link
Weevil wasps Cerceris fulvipes Not Specified Link
Sand wasps Stizus unicinctus Not Specified Link
Weevil wasps Cerceris prominens Not Specified Link
Spider wasps Ceropales fraterna Not Specified Link
Potter wasps Symmorphus debilis Not Specified Link
Parasitoid wasps Chalcis flavipes Not Specified Link
Sand wasps Synothyreopus tumidus Not Specified Link

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