| Lateinischer name | Allgemeiner name | Familie | ||
| Aster phyllodes Rydb. | >>Symphyotrichum foliaceum var. canbyi |
Asteraceae |
||
| Aster phyllolepis Torr. & Gray | >>Symphyotrichum pratense |
Asteraceae |
||
| Aster pickettianus Suksdorf | >>Symphyotrichum laeve var. geyeri |
Asteraceae |
||
| Aster pilosus Willd. | >>Symphyotrichum pilosum var. pilosum |
Asteraceae |
||
| Aster pilosus Willd. ssp. parviceps (Burgess) A.G. Jones | >>Symphyotrichum parviceps |
Asteraceae |
||
| Aster pilosus Willd. var. demotus Blake | >>Symphyotrichum pilosum var. pringlei |
Asteraceae |
||
| Aster pilosus Willd. var. platyphyllus (Torr. & Gray) Blake | >>Symphyotrichum pilosum var. pilosum |
Asteraceae |
||
| Aster pilosus Willd. var. priceae (Britt.) Cronq. | >>Symphyotrichum priceae |
Asteraceae |
||
| Aster pilosus Willd. var. pringlei (Gray) Blake | >>Symphyotrichum pilosum var. pringlei |
Asteraceae |
||
| Aster pilosus Willd. var. pusillus (Gray) A.G. Jones | >>Symphyotrichum depauperatum |
Asteraceae |
||
| Aster pinifolius Alexander, non Nees | >>Symphyotrichum kralii |
Asteraceae |
||
| Aster pinnatifidus (Hook.) Kuntze | >>Machaeranthera pinnatifida ssp. pinnatifida var. pinnatifida |
Asteraceae |
||
| Aster plumarius Burgess | >>Symphyotrichum cordifolium |
Asteraceae |
||
| Aster plumosus Small | >>Symphyotrichum concolor |
Asteraceae |
||
| Aster poaceus Burgess | >>Symphyotrichum oolentangiense var. poaceum |
Asteraceae |
||
| Aster polycephalus Rydb. | >>Symphyotrichum ericoides var. ericoides |
Asteraceae |
||
| Aster polyphyllus Willd., non Moench | >>Symphyotrichum pilosum var. pringlei |
Asteraceae |
||
| Aster porteri Gray | >>Symphyotrichum porteri |
Asteraceae |
||
| Aster potosinus Gray | >>Symphyotrichum potosinum |
Asteraceae |
||
| Aster praealtus Poir. | >>Symphyotrichum praealtum var. praealtum |
Asteraceae |
||
| Aster praealtus Poir. var. angustior Wieg. | >>Symphyotrichum praealtum var. angustior |
Asteraceae |
||
| Aster praealtus Poir. var. caerulescens (DC.) A.G. Jones | >>Symphyotrichum praealtum var. praealtum |
Asteraceae |
||
| Aster praealtus Poir. var. imbricatior Wieg. | >>Symphyotrichum praealtum var. praealtum |
Asteraceae |
||
| Aster praealtus Poir. var. nebraskensis (Britt.) Wieg. | >>Symphyotrichum praealtum var. nebraskense |
Asteraceae |
||
| Aster praealtus Poir. var. subasper (Lindl.) Wieg. | >>Symphyotrichum praealtum var. subasperum |
Asteraceae |
||
| Aster praealtus Poir. var. texicola Wieg. | >>Symphyotrichum praealtum var. praealtum |
Asteraceae |
||
| Aster pratensis Raf. | >>Symphyotrichum pratense |
Asteraceae |
||
| Aster prenanthoides Muhl. ex Willd. | >>Symphyotrichum prenanthoides |
Asteraceae |
||
| Aster priceae Britt. | >>Symphyotrichum priceae |
Asteraceae |
||
| Aster pringlei (Gray) Britt. | >>Symphyotrichum pilosum var. pringlei |
Asteraceae |
||
| Aster procumbens Houst. ex P. Mill. | >>Erigeron procumbens |
Asteraceae |
||
| Aster proteus Burgess | >>Symphyotrichum undulatum |
Asteraceae |
||
| Aster ptarmicoides (Nees) Torr. & Gray | >>Oligoneuron album |
Asteraceae |
||
| Aster ptarmicoides (Nees) Torr. & Gray var. georgianus Gray | >>Oligoneuron album |
Asteraceae |
||
| Aster ptarmicoides (Nees) Torr. & Gray var. lutescens (Lindl. ex DC.) Gray | >>Oligoneuron ×lutescens |
Asteraceae |
||
| Aster pubentior Cronq. | >>Doellingeria umbellata var. pubens |
Asteraceae |
||
| Aster punctatus Waldst. & Kit. | >>Galatella punctata |
Asteraceae |
||
| Aster puniceus L. | >>Symphyotrichum puniceum var. puniceum |
Asteraceae |
||
| Aster puniceus L. ssp. elliottii (Torr. & Gray) A.G. Jones | >>Symphyotrichum elliotii |
Asteraceae |
||
| Aster puniceus L. ssp. firmus (Nees) A.G. Jones | >>Symphyotrichum puniceum var. puniceum |
Asteraceae |
||
| Aster puniceus L. var. calderi (Boivin) Lepage | >>Symphyotrichum puniceum var. puniceum |
Asteraceae |
||
| Aster puniceus L. var. calvus Shinners | >>Symphyotrichum puniceum var. puniceum |
Asteraceae |
||
| Aster puniceus L. var. compactus Fern. | >>Symphyotrichum puniceum var. puniceum |
Asteraceae |
||
| Aster puniceus L. var. demissus Lindl. | >>Symphyotrichum puniceum var. puniceum |
Asteraceae |
||
| Aster puniceus L. var. elliottii (Torr. & Gray) A.G. Jones | >>Symphyotrichum elliotii |
Asteraceae |
||
| Aster puniceus L. var. firmus (Nees) Torr. & Gray | >>Symphyotrichum puniceum var. puniceum |
Asteraceae |
||
| Aster puniceus L. var. lucidulus Gray | >>Symphyotrichum puniceum var. puniceum |
Asteraceae |
||
| Aster puniceus L. var. oligocephalus Fern. | >>Symphyotrichum puniceum var. puniceum |
Asteraceae |
||
| Aster puniceus L. var. perlongus Fern. | >>Symphyotrichum puniceum var. puniceum |
Asteraceae |
||
| Aster puniceus L. var. scabricaulis (Shinners) A.G. Jones | >>Symphyotrichum puniceum var. scabricaule |
Asteraceae |
||
| Aster purpuratus Nees | >>Symphyotrichum laeve var. purpuratum |
Asteraceae |
||
| Aster pyrenaeus Desf. ex DC. | Asteraceae |
|||
| Aster racemosus Ell. | >>Symphyotrichum racemosum |
Asteraceae |
||
| Aster radula Ait. | >>Eurybia radula |
Asteraceae |
||
| Aster radula Ait. var. strictus (Pursh) Gray | >>Eurybia radula |
Asteraceae |
||
| Aster radulinus Gray | >>Eurybia radulina |
Asteraceae |
||
| Aster ramosissimus auct. non P. Mill. [misapplied] | >>Symphyotrichum pilosum var. pilosum |
Asteraceae |
||
| Aster ramulosus Lindl. | >>Symphyotrichum falcatum var. falcatum |
Asteraceae |
||
| Aster reticulatus Pursh | >>Oclemena reticulata |
Asteraceae |
||
| Aster retroflexus Lindl. ex DC. | >>Symphyotrichum retroflexum |
Asteraceae |
||
| Aster richardsonii Spreng. | >>Eurybia merita |
Asteraceae |
||
| Aster riciniatus Burgess | >>Eurybia macrophylla |
Asteraceae |
||
| Aster riparius Kunth | >>Machaeranthera riparia |
Asteraceae |
||
| Aster robynsianus Rouss. | >>Symphyotrichum robynsianum |
Asteraceae |
||
| Aster roscidus Burgess | >>Eurybia macrophylla |
Asteraceae |
||
| Aster rotundifolius Thunb. | >>Felicia amelloides |
Asteraceae |
||
| Aster rubrotinctus Blake | >>Machaeranthera bigelovii var. bigelovii |
Asteraceae |
||
| Aster sagittifolius auct. non Wedemeyer ex Willd. [misapplied] | >>Symphyotrichum urophyllum |
Asteraceae |
||
| Aster sagittifolius Wedemeyer ex Willd. | >>Symphyotrichum cordifolium |
Asteraceae |
||
| Aster sagittifolius Wedemeyer ex Willd. var. drummondii (Lindl.) Shinners | >>Symphyotrichum drummondii var. drummondii |
Asteraceae |
||
| Aster sagittifolius Wedemeyer ex Willd. var. urophyllus (Lindl.) Burgess | >>Symphyotrichum urophyllum |
Asteraceae |
||
| Aster salicifolius Ait., non Lam. | >>Symphyotrichum praealtum var. praealtum |
Asteraceae |
||
| Aster salicifolius sensu Willd., non Lam. nec Ait. | >>Symphyotrichum novi-belgii var. novi-belgii |
Asteraceae |
||
| Aster sandwicensis (Gray) Hieron. | >>Symphyotrichum squamatum |
Asteraceae |
||
| Aster saundersii Burgess | >>Symphyotrichum ciliolatum |
Asteraceae |