278:
404:
423:
33:
75:
52:
600:
globally, last reviewed on 13 July 2016. On a US state and
Canadian province basis, it listed the species as Vulnerable (S3) in Quebec; Critically Imperiled (S1) in Manitoba and Wisconsin; and, Secure (S5) in Ontario. Michigan and Minnesota have not been ranked.
1475:
382:
ranging from 10 to 80 centimetres (4 to 31 inches) tall. The stiff narrow leaves are slightly toothed or entire. Flowers may be produced from August to
September. The
1370:
1130:
1179:
403:
74:
1344:
1091:
1383:
1143:
1218:
971:
1460:
1450:
216:
200:
516:
1470:
1290:
1357:
1117:
955:
597:
422:
59:
1388:
1148:
1043:
833:
496:
260:
825:
1184:
1396:
1231:
900:
895:
487:
739:
528:
268:
821:
1465:
1236:
837:
277:
1401:
1455:
1083:
799:
1078:
1005:
467:
791:
243:
32:
795:
1295:
537:
may have originated as hybrid between two other aster species, but its origin is not well understood.
1065:
572:. It is typical of moist, open, sandy, gravelly or rocky habitats such as river and lake shores, and
41:
1171:
1422:
1277:
1269:
1223:
975:
861:
787:
290:
69:
1375:
1135:
1331:
1192:
1052:
1197:
765:
326:
178:
322:
112:
1210:
1205:
943:
783:
462:
188:
99:
1444:
779:
735:
524:
512:
500:
482:
336:
264:
947:
807:
1427:
1336:
1282:
1057:
457:
383:
332:
1322:
1028:
1259:
1166:
1158:
1104:
1037:
857:
589:
391:
340:
886:
756:
577:
387:
379:
371:
329:
158:
569:
565:
410:
367:
148:
1414:
1249:
770:
743:
647:
645:
643:
1409:
1316:
1244:
1022:
561:
549:
414:
168:
138:
125:
1349:
1096:
916:
553:
375:
1109:
386:
are located singly or in groups of up to three on leafy branches. The
557:
508:
999:
1122:
842:
Collections and
Archives of the Library – Montreal Botanical Garden
573:
86:
1362:
915:
Reznicek, A.A.; Voss, E.G.; Walters, B.S., eds. (February 2011).
491:, and as such that name cannot be used for the plants now called
752:, Asteraceae: Astereae) species from northeastern North America"
714:
712:
710:
708:
1070:
1003:
812:. Vol. 20. New York and Oxford: Oxford University Press
651:
460:
and the North
American asters are now mostly classified in
615:
613:
470:. No subspecies or varieties have been recognized within
806:. In Flora of North America Editorial Committee (ed.).
986:. Greensboro, North Carolina: National Plant Data Team
1306:
1012:
675:
16:
Species of flowering plant in the family
Asteraceae
718:
630:
628:
1476:Taxa named by Joseph Jules Jean Jacques Rousseau
948:"An overview of "asters" and the Tribe Astereae"
699:
8:
809:Flora of North America North of Mexico (FNA)
619:
1000:
285:Native distribution by state and province
276:
50:
31:
20:
769:
663:
452:. However, this broad circumscription of
444:was formerly included in the large genus
477:This species has often gone by the name
891:(J.Rousseau) Brouillet & Labrecque"
609:
399:
687:
984:The PLANTS Database (plants.usda.gov)
7:
634:
930:. University of Michigan Herbarium
517:National Botanic Garden of Belgium
14:
1237:urn:lsid:ipni.org:names:1046466-2
676:Reznicek, Voss & Walters 2011
507:based on a specimen from central
958:from the original on 27 May 2021
576:. It is usually associated with
421:
402:
73:
1402:urn:lsid:ipni.org:names:24047-2
838:"Biography of Jacques Rousseau"
485:for that name is a specimen of
844:. Jardin Botanique de Montreal
719:Brouillet & Labrecque 1997
1:
390:are dark blue-violet and the
826:Harvard University Herbaria
1492:
1461:Flora of the United States
1451:NatureServe secure species
1044:Symphyotrichum robynsianum
1014:Symphyotrichum robynsianum
978:Symphyotrichum robynsianum
901:Royal Botanic Gardens, Kew
896:Plants of the World Online
889:Symphyotrichum robynsianum
864:Symphyotrichum robynsianum
802:Symphyotrichum robynsianum
546:Symphyotrichum robynsianum
535:Symphyotrichum robynsianum
523:was first used in 1997 by
521:Symphyotrichum robynsianum
488:Symphyotrichum novi-belgii
472:Symphyotrichum robynsianum
442:Symphyotrichum robynsianum
314:Symphyotrichum robynsianum
253:Symphyotrichum robynsianum
25:Symphyotrichum robynsianum
822:Missouri Botanical Garden
820:– via eFloras.org,
296:
289:
284:
275:
249:
242:
70:Scientific classification
68:
48:
39:
30:
23:
1471:Plants described in 1957
870:explorer.natureserve.org
588:As of August 2023,
541:Distribution and habitat
866:Robyns' American-aster"
824:, St. Louis, MO &
771:10.5962/bhl.part.28862
548:is native to parts of
928:Michigan Flora Online
872:. Arlington, Virginia
744:"New combinations in
700:Jardin Botanique 2014
652:Brouillet et al. 2006
409:Flower heads showing
515:, a director of the
235:S. robynsianum
42:Conservation status
511:, naming it after
321:) is a species of
1438:
1437:
1308:Aster robynsianus
1193:Open Tree of Life
1006:Taxon identifiers
946:(27 April 2021).
860:(4 August 2023).
529:Jacques Labrecque
505:Aster robynsianum
479:Aster longifolius
450:Aster robynsianum
353:long-leaved aster
319:Aster robynsianum
310:
309:
300:Aster robynsianus
63:
1483:
1431:
1430:
1418:
1417:
1405:
1404:
1392:
1391:
1379:
1378:
1366:
1365:
1353:
1352:
1340:
1339:
1327:
1326:
1325:
1299:
1298:
1286:
1285:
1273:
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1263:
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1253:
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1240:
1239:
1227:
1226:
1214:
1213:
1201:
1200:
1188:
1187:
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1174:
1162:
1161:
1152:
1151:
1139:
1138:
1126:
1125:
1113:
1112:
1100:
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1087:
1086:
1074:
1073:
1061:
1060:
1048:
1047:
1046:
1033:
1032:
1031:
1001:
995:
993:
991:
967:
965:
963:
952:www.uwaterloo.ca
939:
937:
935:
911:
909:
907:
881:
879:
877:
853:
851:
849:
836:(18 June 2014).
834:Jardin Botanique
829:
828:, Cambridge, MA.
819:
817:
775:
773:
722:
716:
703:
697:
691:
685:
679:
673:
667:
661:
655:
649:
638:
632:
623:
620:NatureServe 2023
617:
497:Jacques Rousseau
425:
406:
374:plant with long
335:to northeastern
304:
280:
255:
221:
205:
179:Symphyotrichinae
78:
77:
57:
54:
53:
35:
21:
1491:
1490:
1486:
1485:
1484:
1482:
1481:
1480:
1466:Flora of Canada
1441:
1440:
1439:
1434:
1426:
1421:
1413:
1408:
1400:
1395:
1387:
1382:
1374:
1369:
1361:
1356:
1348:
1343:
1335:
1330:
1321:
1320:
1315:
1302:
1294:
1289:
1281:
1276:
1268:
1266:
1258:
1256:
1248:
1243:
1235:
1230:
1222:
1217:
1209:
1204:
1196:
1191:
1183:
1178:
1170:
1165:
1157:
1156:MichiganFlora:
1155:
1147:
1142:
1134:
1129:
1121:
1116:
1108:
1103:
1095:
1090:
1082:
1077:
1069:
1064:
1056:
1051:
1042:
1041:
1036:
1027:
1026:
1021:
1008:
998:
989:
987:
970:
961:
959:
942:
933:
931:
914:
905:
903:
884:
875:
873:
856:
847:
845:
832:
815:
813:
778:
734:
730:
725:
717:
706:
698:
694:
686:
682:
674:
670:
662:
658:
650:
641:
633:
626:
618:
611:
607:
586:
543:
439:
434:
433:
432:
429:
426:
417:
407:
361:
323:flowering plant
302:
271:
257:
251:
238:
219:
218:Symphyotrichum
203:
202:Symphyotrichum
72:
64:
55:
51:
44:
17:
12:
11:
5:
1489:
1487:
1479:
1478:
1473:
1468:
1463:
1458:
1456:Symphyotrichum
1453:
1443:
1442:
1436:
1435:
1433:
1432:
1428:wfo-0000131066
1419:
1406:
1393:
1380:
1367:
1354:
1341:
1328:
1312:
1310:
1304:
1303:
1301:
1300:
1287:
1283:wfo-0000005763
1274:
1264:
1254:
1241:
1228:
1215:
1202:
1189:
1176:
1163:
1153:
1140:
1127:
1114:
1101:
1088:
1075:
1062:
1049:
1034:
1018:
1016:
1010:
1009:
1004:
997:
996:
968:
940:
919:Symphyotrichum
912:
882:
854:
830:
796:Sundberg, S.D.
792:Chambers, K.L.
776:
764:(3): 137–141.
746:Symphyotrichum
731:
729:
726:
724:
723:
704:
692:
680:
668:
664:USDA NRCS 2014
656:
639:
624:
608:
606:
603:
594:S. robynsianum
585:
582:
542:
539:
499:, a Quebecois
493:S. robynsianum
463:Symphyotrichum
438:
435:
431:
430:
428:Fruiting plant
427:
420:
418:
408:
401:
398:
397:
396:
364:S. robynsianum
360:
357:
349:longleaf aster
345:Robyns's aster
308:
307:
306:
305:
294:
293:
287:
286:
282:
281:
273:
272:
258:
247:
246:
240:
239:
232:
230:
226:
225:
222:Symphyotrichum
214:
210:
209:
206:Symphyotrichum
198:
194:
193:
190:Symphyotrichum
186:
182:
181:
176:
172:
171:
166:
162:
161:
156:
152:
151:
146:
142:
141:
136:
129:
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116:
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102:
97:
90:
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84:
80:
79:
66:
65:
49:
46:
45:
40:
37:
36:
28:
27:
15:
13:
10:
9:
6:
4:
3:
2:
1488:
1477:
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1472:
1469:
1467:
1464:
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1459:
1457:
1454:
1452:
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1429:
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1420:
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1411:
1407:
1403:
1398:
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1390:
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1355:
1351:
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1333:
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1324:
1318:
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1313:
1311:
1309:
1305:
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1288:
1284:
1279:
1275:
1271:
1265:
1261:
1255:
1251:
1246:
1242:
1238:
1233:
1229:
1225:
1220:
1216:
1212:
1207:
1203:
1199:
1194:
1190:
1186:
1181:
1177:
1173:
1168:
1164:
1160:
1154:
1150:
1145:
1141:
1137:
1132:
1128:
1124:
1119:
1115:
1111:
1106:
1102:
1098:
1093:
1089:
1085:
1080:
1076:
1072:
1067:
1063:
1059:
1054:
1050:
1045:
1039:
1035:
1030:
1024:
1020:
1019:
1017:
1015:
1011:
1007:
1002:
985:
981:
979:
973:
969:
957:
953:
949:
945:
941:
929:
925:
923:
920:
913:
902:
898:
897:
892:
890:
885:POWO (2023).
883:
871:
867:
865:
859:
855:
843:
839:
835:
831:
827:
823:
811:
810:
805:
803:
797:
793:
789:
785:
781:
780:Brouillet, L.
777:
772:
767:
763:
759:
758:
753:
751:
747:
741:
740:Labrecque, J.
737:
736:Brouillet, L.
733:
732:
727:
720:
715:
713:
711:
709:
705:
701:
696:
693:
689:
684:
681:
677:
672:
669:
665:
660:
657:
653:
648:
646:
644:
640:
636:
631:
629:
625:
621:
616:
614:
610:
604:
602:
599:
595:
591:
583:
581:
579:
575:
571:
567:
563:
559:
555:
551:
547:
540:
538:
536:
532:
530:
526:
525:Luc Brouillet
522:
518:
514:
513:Walter Robyns
510:
506:
502:
501:ethnobotanist
498:
494:
490:
489:
484:
483:type specimen
480:
475:
473:
469:
465:
464:
459:
455:
451:
447:
443:
436:
424:
419:
416:
412:
405:
400:
395:
393:
389:
385:
381:
377:
373:
369:
365:
358:
356:
354:
350:
346:
342:
338:
337:North America
334:
331:
328:
324:
320:
316:
315:
301:
298:
297:
295:
292:
288:
283:
279:
274:
270:
266:
262:
256:
254:
248:
245:
244:Binomial name
241:
237:
236:
231:
228:
227:
224:
223:
215:
212:
211:
208:
207:
199:
196:
195:
192:
191:
187:
184:
183:
180:
177:
174:
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170:
167:
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157:
154:
153:
150:
147:
144:
143:
140:
137:
134:
131:
130:
127:
124:
121:
118:
117:
114:
111:
108:
105:
104:
101:
100:Tracheophytes
98:
95:
92:
91:
88:
85:
82:
81:
76:
71:
67:
61:
47:
43:
38:
34:
29:
26:
22:
19:
1307:
1013:
988:. Retrieved
983:
977:
960:. Retrieved
951:
944:Semple, J.C.
932:. Retrieved
927:
921:
918:
904:. Retrieved
894:
888:
874:. Retrieved
869:
863:
846:. Retrieved
841:
814:. Retrieved
808:
801:
784:Semple, J.C.
761:
755:
749:
745:
695:
683:
671:
659:
593:
587:
584:Conservation
545:
544:
534:
533:
520:
504:
503:, described
492:
486:
478:
476:
471:
468:other genera
466:and several
461:
458:polyphyletic
453:
449:
445:
441:
440:
394:are yellow.
392:disc florets
384:flower heads
363:
362:
352:
348:
344:
341:Common names
318:
313:
312:
311:
299:
252:
250:
234:
233:
217:
201:
189:
132:
119:
106:
93:
24:
18:
1167:NatureServe
1105:iNaturalist
1038:Wikispecies
954:. Ontario.
922:robynsianum
858:NatureServe
788:Allen, G.A.
688:Semple 2021
598:Secure (G5)
590:NatureServe
519:. The name
495:. In 1957,
388:ray florets
359:Description
113:Angiosperms
60:NatureServe
1445:Categories
1267:WisFlora:
1211:gcc-105545
1206:Plant List
972:USDA, NRCS
934:2 February
848:3 February
816:3 February
757:Phytologia
728:References
580:habitats.
578:calcareous
481:, but the
415:phyllaries
411:involucres
378:and erect
372:herbaceous
330:Asteraceae
317:(formerly
303:J.Rousseau
261:J.Rousseau
197:Subgenus:
175:Subtribe:
159:Asteraceae
1323:Q38783156
1123:1046466-2
1084:250067683
1029:Q15555326
635:POWO 2023
605:Citations
570:Wisconsin
566:Minnesota
368:perennial
269:Labrecque
265:Brouillet
229:Species:
213:Section:
149:Asterales
83:Kingdom:
1415:50274284
1410:Tropicos
1376:10765850
1317:Wikidata
1257:VASCAN:
1250:50274283
1245:Tropicos
1172:2.152993
1136:10459286
1023:Wikidata
990:8 August
974:(2014).
956:Archived
906:8 August
876:8 August
798:(2006).
742:(1997).
562:Michigan
550:Manitoba
437:Taxonomy
376:rhizomes
343:include
291:Synonyms
169:Astereae
155:Family:
139:Asterids
126:Eudicots
1363:24047-2
1350:5406430
1296:1103467
1198:3898529
1185:2065955
1097:3151628
592:listed
554:Ontario
325:in the
185:Genus:
165:Tribe:
145:Order:
87:Plantae
58: (
56:Secure
1389:193199
1219:PLANTS
1149:565554
1110:169486
1071:589907
962:6 July
748:(syn.
574:alvars
558:Quebec
509:Quebec
351:, and
333:native
327:family
267:&
1371:IRMNG
1337:5VV39
1291:WoRMS
1270:13440
1224:SYRO3
1131:IRMNG
1058:53Q9F
750:Aster
454:Aster
446:Aster
380:stems
366:is a
220:sect.
204:subg.
133:Clade
120:Clade
107:Clade
94:Clade
1397:POWO
1384:ITIS
1358:IPNI
1345:GBIF
1260:3582
1232:POWO
1180:NCBI
1144:ITIS
1118:IPNI
1092:GBIF
992:2023
964:2021
936:2020
908:2023
878:2023
850:2020
818:2020
568:and
527:and
413:and
1423:WFO
1332:CoL
1278:WFO
1159:493
1079:FNA
1066:EoL
1053:CoL
766:doi
596:as
456:is
448:as
1447::
1425::
1412::
1399::
1386::
1373::
1360::
1347::
1334::
1319::
1293::
1280::
1247::
1234::
1221::
1208::
1195::
1182::
1169::
1146::
1133::
1120::
1107::
1094::
1081::
1068::
1055::
1040::
1025::
982:.
950:.
926:.
899:.
893:.
868:.
840:.
794:;
790:;
786:;
782:;
762:82
760:.
754:.
738:;
707:^
642:^
627:^
612:^
564:,
560:,
556:,
552:,
531:.
474:.
370:,
355:.
347:,
339:.
263:)
135::
122::
109::
96::
994:.
980:"
976:"
966:.
938:.
924:"
917:"
910:.
887:"
880:.
862:"
852:.
804:"
800:"
774:.
768::
721:.
702:.
690:.
678:.
666:.
654:.
637:.
622:.
259:(
62:)
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