37:
404:
Reference materials are herbarium (voucher) specimens with data on labels and the extracts with computer databases on the collectors and locations where collected. Samples of lichens, one mushroom and flowering plants collected for John
Cassady, Chairman of the Department of Medicinal Chemistry and
536:
described in 1996. Samples at Purdue
University were later retrieved by Thomas McCloud as manager of the Natural Products extraction lab at Frederick, Maryland. The NCI group maintains an inventory of natural product extracts with details on the collection
405:
Pharmacognosy at Purdue
University, and later Dean of the School of Pharmacy at Ohio State University. He and his graduate student, Thomas McCloud, had accompanied Richard Spjut on an expedition to Baja California during May 1986. A 700 gram sample
254:
was first recognized by
Richard Spjut as distinct from other species in the genus while collecting samples for chemopreventive agents and for anticancer screening on the VizcaĆno Peninsula near Arroyo San AndrĆ©s in May 1986. A 700 gram sample of
367:. This may be viewed as evidence of a genetic difference as opposed to environmentally induced chemical variation. Alternatively, the two isidiate species are races of the fertile (sexual) species, which under a very broad species concept is
363:) as treated by Peter Bowler and collaborators. The two chemotypes (sekikiaic aicd, divaricatic acid) generally do not occur together, or if found in the same region, usually one chemotype is dominant such as reported by Spjut for
200:
divided into numerous subtubular more or less linear shaped branches, to 4 cm high and 8 cm across, that are fringed above with spiculiform branchlets and by short coralloid isidia (
341:
on the assumption that differences in the secondary metabolites, sekikaic acid and divaricatic acid, represent different āracesā of one species, derived from a highly variable
528:
Voucher specimens of the species cited are deposited at the United States
National Herbarium (Smithsonian Institution, Museum of Natural History, Botany Department),
722:
648:
421:
by mycology specialists at the USDA Agricultural
Research Service Systematic Botany, Mycology and Entomology Laboratory in Beltsville, Maryland.
489:
717:
707:
395:, that produces conidia which escape through an opening (ostiole) at the top and function in reproduction, asexually or sexually
519:
Bungartz, F. 2002. Morphology and anatomy of conidia-producing structures, Lichen Flora of the
Greater Sonoran Desert 1: 35ā40
172:
168:
204:) along margins. The branches become terminally whip-like, or abruptly curved. Pycnidia and apothecia are absent.
36:
702:
603:
712:
347:. However, the term race implies a genetic difference derived from sexually reproducing species. Both
305:
231:). They appear to intergrade by isidia in rare thalli occurring sparsely at the base of the thallus of
131:
562:
Bowler, P. A., R. E. Riefner, Jr., P. W. Rundel, J. Marsh & T.H. Nash, III. 1994. New species of
640:
579:
417:
sp. (undescribed, āfrizzyā). Spjut identified the lichens and flowering plants. Mushroom identified (
265:
240:
337:
215:
295:
289:
260:
31:
588:
674:
495:
485:
475:
321:
209:
679:
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Pycnidium (pycnidia plural) is a small flash-shaped structure, generally 200ā350 Āµm long in
160:
481:
315:
164:
108:
78:
635:
343:
696:
98:
371:, and if this view is adopted, then both isidiate species would be included under
626:
359:; thus, they can hardly be considered races of an asexually reproducing species (
88:
356:
68:
529:
499:
278:
48:
661:
620:
325:, both also contain sekikaic acid but differ in the absences of isidia (
653:
326:
271:
201:
197:
464:(Ramalinaceae) from California and Baja California. Sida Bot. Misc. 14
666:
532:; Spjut 9575A was designated as holotype for a new lichen species of
58:
597:
181:
566:(Ramalinaceae) from western North America. Phytologia 77: 23ā37.
171:
Desert and
Magadalena Desert regions, and reported also from the
163:
that grows on rocks in the fog zone along the
Pacific Coast of
601:
550:. āLichen Flora of the Greater Sonoran Desert 2ā: 368ā380.
223:
is viewed as the fertile counterpart of a species pair (
179:
is in reference to the similarity to the lichen genus
610:
175:and mainland of southern California. The epithet,
239:differs in having divaricatic acid instead of
8:
558:
556:
303:and various lichens and one desert mushroom
452:
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446:
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440:
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530:http://www.mnh.si.edu/rc/db/databases.html
20:
434:
384:
7:
259:was collected in a mixed desert and
14:
723:Taxa named by Richard Wayne Spjut
243:and by the presence of pycnidia.
35:
546:Bowler, P. and J. Marsh. 2004.
474:Damrosch, B.; Neal, B. (2003).
355:reproduce primarily by asexual
313:) was also found growing with
1:
589:World Botanical Associates,
580:World Botanical Associates,
409:was accessioned as WBA-384 (
477:Gardener's Latin: A Lexicon
739:
718:Lichens described in 1996
419:Battarraea cf. phalloides
263:region characterized by
137:
130:
32:Scientific classification
30:
23:
708:Lichens of North America
335:has been included under
593:, retrieved 11 Jan 2015
584:, retrieved 11 Jan 2015
189:Distinguishing features
196:is distinguished by a
306:Battarraea phalloides
480:. Chapel Hill, N.C:
456:Spjut, R. W. 1996.
266:Pachycormus discolor
207:Similar species are
582:Niebla isidiaescens
338:Niebla isidiaescens
237:Niebla isidiaescens
216:Niebla isidiaescens
296:Petalonyx linearis
290:Salvia cedrosensis
261:coastal sage scrub
690:
689:
675:Open Tree of Life
604:Taxon identifiers
491:978-1-56512-743-2
322:Niebla suffnessii
247:Taxonomic history
221:Niebla suffnessii
210:Niebla suffnessii
194:Niebla usneoides
152:
151:
123:N. usneoides
16:Species of lichen
730:
683:
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612:Niebla usneoides
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333:Niebla usneoides
285:Eriogonum pondii
252:Niebla usneoides
161:fruticose lichen
156:Niebla usneoides
143:
141:Niebla usneoides
40:
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25:Niebla usneoides
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484:. p. 129.
482:Algonquin Books
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361:N. isidiaescens
349:N. isidiaescens
316:Niebla lobulata
309:. The species (
249:
191:
173:Channel Islands
165:Baja California
148:
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79:Lecanoromycetes
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17:
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132:Binomial name
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713:Ramalinaceae
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503:. Retrieved
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469:
462:Vermilacinia
461:
457:
418:
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407:N. usenoides
406:
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365:N. usneoides
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353:N. usneoides
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229:N. usneoides
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147:Spjut (1996)
140:
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122:
121:
109:
99:Ramalinaceae
24:
18:
301:Rhus lentii
281:encelioides
274:stenophylla
89:Lecanorales
697:Categories
429:References
411:Spjut 9785
373:N. homalea
369:N. homalea
357:propagules
69:Ascomycota
65:Division:
627:Q20720467
500:856021571
279:Eriogonum
177:usneoides
117:Species:
55:Kingdom:
49:Eukaryota
662:MycoBank
636:Fungorum
621:Wikidata
505:20 April
169:VizcaĆno
95:Family:
45:Domain:
680:3773519
654:3281542
327:isidium
272:Encelia
202:isidium
198:thallus
167:in the
105:Genus:
85:Order:
75:Class:
667:416059
641:416059
564:Niebla
548:Niebla
534:Niebla
498:
488:
458:Niebla
415:Niebla
393:Niebla
319:, and
110:Niebla
537:data.
379:Notes
182:Usnea
159:is a
59:Fungi
649:GBIF
507:2019
496:OCLC
486:ISBN
460:and
351:and
227:and
213:and
329:).
219:.
699::
677::
664::
651::
638::
623::
555:^
494:.
437:^
413:,
375:.
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293:,
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235:.
185:.
509:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
