436:
62:
33:
521:
Greenwood, D.R.; Archibald, S.B.; Mathewes, R.W; Moss, P.T. (2005). "Fossil biotas from the
Okanagan Highlands, southern British Columbia and northeastern Washington State: climates and ecosystems across an Eocene landscape".
556:
Archibald, S.B., Greenwood, D.R., Smith, R.Y., Mathewes, R.W., and
Basinger, J.F. 2012. Great Canadian Lagerstätten 1. Early Eocene Lagerstätten of the Okanagan Highlands (British Columbia and Washington State).
758:
623:
Berry, E.W. (1929). A revision of the flora of the Latah
Formation (Report). Professional Paper. United States Geological Survey. pp. 225–265.
768:
773:
763:
783:
778:
753:
282:
377:
Working from specimens collected in the
Republic, Washington area in the early 1980s, the species was redescribed in 1987 by
788:
270:
254:
446:
leaves are large, with fossils over 13.5 centimetres (5.3 in) known. the species appears to have been possibly
286:
278:
61:
499:
Wolfe, J.A.; Wehr, W.C. (1987). "Middle Eocene dicotyledonous plants from
Republic, northeastern Washington".
402:
351:
711:
673:
587:
456:
435:
324:
165:
419:
531:
414:
363:
315:
592:
398:
748:
605:
347:
274:
258:
199:
56:
720:
394:
367:
295:
266:
725:
558:
654:
624:
597:
539:
262:
49:
359:
355:
343:
305:
226:
182:
99:
644:
Brown, R. W. (1937). "J - Additions to some fossil floras of the
Western United States".
653:. Professional Paper. Vol. 186. United States Geological Survey. pp. 163–206.
535:
382:
336:
190:
86:
32:
742:
378:
340:
300:
186:
609:
350:
leaf specimen, was published in 1929. When first published the holotype specimen's
705:
390:
696:
366:
strata, but occasional confusion as to the species age still occurred: notably
601:
370:(1966) in his paper on the Copper Basin flora of Nevada considered the age of
112:
645:
509:
465:
447:
230:
142:
132:
690:
250:
122:
222:
578:(Lauraceae) disjunct between eastern Asia and eastern North America".
320:
246:
242:
45:
667:
574:
Nie, Z.-L.; Wen, J.; Sun, H. (2007). "Phylogeny and biogeography of
543:
450:, based on the notably thick leaf remains, thicker than the younger
658:
629:
434:
393:
in the
Klondike Mountain Formation, that it occurs in the related
310:
73:
405:
of Idaho, of similar age. However they reject the assignment to
671:
468:, suggesting that an evergreen state is ancestral in
680:
417:. Wolf and Wehr also note that the early Oligocene
362:(1937) corrected the type locality to the older
261:, United States and similar aged formations in
569:
567:
423:is closely related and may have evolved from
8:
668:
31:
20:
628:
591:
510:https://pubs.usgs.gov/bul/1597/report.pdf
494:
492:
490:
488:
486:
484:
647:Shorter contributions to general geology
501:United States Geological Survey Bulletin
559:Geoscience Canada, v. 38(4), p. 155–164
480:
354:was misidentified as being part of the
7:
293:is related to three modern species,
524:Canadian Journal of Earth Sciences
323:. The modern species form a noted
16:Extinct species of flowering plant
14:
299:, which is native to the eastern
759:Ypresian plants of North America
283:Driftwood Canyon Provincial Park
60:
580:Plant Systematics and Evolution
769:Extinct flora of North America
1:
774:Fossil taxa described in 1987
460:. This contrasts with modern
413:species leaf from the Eocene
389:to be one of the most common
764:Eocene life of North America
784:Klondike Mountain Formation
255:Klondike Mountain Formation
805:
245:leaves found in the early
241:The species is known from
602:10.1007/s00606-007-0550-1
385:. Wolfe and Wehr noted
205:
198:
171:
164:
57:Scientific classification
55:
39:
30:
23:
779:Plants described in 1987
265:, Canada, including the
754:Prehistoric angiosperms
440:
403:Thunder Mountain flora
339:of the new species by
438:
325:disjunct distribution
257:deposits of northern
415:Florissant formation
409:of the single known
536:2005CaJES..42..167G
464:species, which are
401:floras, and in the
789:Chu Chua Formation
712:Sassafras hesperia
682:Sassafras hesperia
586:(1–4): 0378–2697.
444:Sassafras hesperia
441:
439:1929 Holotype leaf
348:compression fossil
309:native to central
275:McAbee Fossil Beds
218:Sassafras hesperia
175:Sassafras hesperia
41:Sassafras hesperia
25:Sassafras hesperia
736:
735:
721:Open Tree of Life
674:Taxon identifiers
368:Daniel I. Axelrod
267:Allenby Formation
214:
213:
208:Sassafras selwyni
796:
729:
728:
716:
715:
714:
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663:
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620:
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571:
562:
554:
548:
547:
518:
512:
508:
496:
337:type description
263:British Columbia
259:Washington state
177:
157:S. hesperia
65:
64:
50:Washington state
35:
21:
804:
803:
799:
798:
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739:
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643:
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638:
622:
621:
617:
593:10.1.1.669.8487
573:
572:
565:
555:
551:
544:10.1139/E04-100
520:
519:
515:
498:
497:
482:
478:
433:
360:Roland W. Brown
356:Latah Formation
344:Edward W. Berry
333:
239:
227:flowering plant
194:
179:
173:
160:
59:
44:
17:
12:
11:
5:
802:
800:
792:
791:
786:
781:
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771:
766:
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751:
741:
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734:
733:
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702:
686:
684:
678:
677:
672:
665:
664:
659:10.3133/pp186J
636:
630:10.3133/pp154h
615:
563:
549:
530:(2): 167–185.
513:
479:
477:
474:
432:
429:
383:Wesley C. Wehr
374:as Oligocene.
332:
329:
238:
235:
229:in the family
212:
211:
203:
202:
196:
195:
180:
169:
168:
162:
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110:
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102:
97:
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84:
77:
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71:
67:
66:
53:
52:
37:
36:
28:
27:
15:
13:
10:
9:
6:
4:
3:
2:
801:
790:
787:
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767:
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747:
746:
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727:
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713:
707:
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688:
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649:
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637:
631:
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619:
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611:
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581:
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568:
564:
560:
553:
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545:
541:
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533:
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517:
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506:
502:
495:
493:
491:
489:
487:
485:
481:
475:
473:
471:
467:
463:
459:
458:
457:S. columbiana
453:
449:
445:
437:
430:
428:
426:
422:
421:
416:
412:
408:
404:
400:
396:
392:
388:
384:
380:
379:Jack A. Wolfe
375:
373:
369:
365:
364:Republic area
361:
358:of Spokane.
357:
353:
352:type locality
349:
346:, based on a
345:
342:
341:paleobotanist
338:
335:The original
330:
328:
326:
322:
318:
317:
316:S. randaiense
312:
308:
307:
302:
301:United States
298:
297:
292:
288:
284:
280:
276:
272:
268:
264:
260:
256:
252:
248:
244:
236:
234:
232:
228:
224:
220:
219:
210:
209:
204:
201:
197:
192:
188:
184:
178:
176:
170:
167:
166:Binomial name
163:
159:
158:
153:
150:
149:
146:
145:
141:
138:
137:
134:
131:
128:
127:
124:
121:
118:
117:
114:
111:
108:
105:
104:
101:
98:
95:
92:
91:
88:
87:Tracheophytes
85:
82:
79:
78:
75:
72:
69:
68:
63:
58:
54:
51:
47:
42:
38:
34:
29:
26:
22:
19:
681:
646:
639:
618:
583:
579:
575:
552:
527:
523:
516:
504:
500:
469:
461:
455:
451:
443:
442:
424:
418:
410:
406:
399:Joseph Creek
386:
376:
371:
334:
314:
304:
294:
290:
240:
237:Distribution
217:
216:
215:
207:
206:
174:
172:
156:
155:
143:
106:
93:
80:
40:
24:
18:
706:Wikispecies
431:Description
425:S. hesperia
407:S. hesperia
387:S. hesperia
372:S. hesperia
291:S. hesperia
225:species of
100:Angiosperms
743:Categories
476:References
452:S. ashleyi
420:S. ashleyi
319:native to
296:S. albidum
113:Magnoliids
749:Lauraceae
588:CiteSeerX
576:Sassafras
470:Sassafras
466:deciduous
462:Sassafras
448:evergreen
411:Sassafras
395:Princeton
271:Princeton
231:Lauraceae
151:Species:
144:Sassafras
133:Lauraceae
70:Kingdom:
697:Q7425747
691:Wikidata
633:. 154-H.
610:44051126
306:S. tzumu
287:Smithers
279:Kamloops
251:Ypresian
200:Synonyms
129:Family:
123:Laurales
726:7589686
532:Bibcode
507:: 1–25.
331:History
253:stage,
223:extinct
139:Genus:
119:Order:
74:Plantae
608:
590:
391:dicots
321:Taiwan
313:, and
273:, the
247:Eocene
243:fossil
221:is an
193:, 1987
189:&
46:Eocene
651:(PDF)
606:S2CID
311:China
285:near
277:near
269:near
187:Wolfe
183:Berry
107:Clade
94:Clade
81:Clade
505:1597
454:and
397:and
381:and
281:and
233:.
191:Wehr
655:doi
625:doi
598:doi
584:267
540:doi
289:.
745::
723::
708::
693::
604:.
596:.
582:.
566:^
538:.
528:42
526:.
503:.
483:^
472:.
427:.
327:.
303:,
249:,
185:)
109::
96::
83::
48:,
43:,
661:.
657::
627::
612:.
600::
561:.
546:.
542::
534::
181:(
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
