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This is a perennial herb growing 10 to 40 centimeters (3.9 to 15.7 in) or 50 centimeters (20 in) tall. The leaves are located around the base of the stem. They have blades up to 17 centimeters (6.7 in) long that are intricately dissected into many small, narrow lobes. The
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This plant was added to the
Endangered Species List in 2002 because it is rare and its habitat is being destroyed and degraded. Vernal pools have nearly disappeared from an area where they were once widespread in this section of Oregon as the land has been consumed for
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bearing clusters of yellow flowers on several ascending branches. The fruit is roughly 1 centimeter (0.39 in) by 0.5 centimeters (0.20 in) wide and is lined with thick, corky wings.
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has occurred as the land was sectioned for use and bisected by roads and other structures. In 2002 the plant was known from only 15 sites in
Jackson County and 21 sites in Josephine County.
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such that conditions are similar to vernal pool margins, allowing it to take hold there. Other plants that can be found in the vernal pool and floodplain habitat types include
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in the United States, where it grows in only two valleys. It is a federally listed
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in southwestern Oregon. It occurs in vernally wet habitat types, including
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This plant was first collected in 1981 during a survey for the rare
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384:distribute water differently. Additionally,
219:is a rare species of flowering plant in the
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282:Rogue Valley International-Medford Airport
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817:NatureServe critically imperiled species
280:. One population of the plant occurs at
522:ODA Plant Division, Plant Conservation.
413:Determination of Endangered Status for
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474:(Apiaceae) from southwestern Oregon.
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470:Kagan, J. S. 1986. A new species of
322:spp. (brodiaeas or clusterlilies).
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425:from southern Oregon; Final Rule.
768:urn:lsid:ipni.org:names:279798-2
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360:no longer supports vernal pool
461:Center for Plant Conservation.
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276:and adjacent mounds and wet
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223:known by the common names
16:Species of flowering plant
301:Deschampsia danthonioides
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70:Scientific classification
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832:Plants described in 1986
837:Endemic flora of Oregon
310:(California oatgrass),
501:The Nature Conservancy
316:(pine bluegrass), and
295:Alopecurus geniculatus
386:habitat fragmentation
307:Danthonia californica
292:(woolly meadowfoam),
56:Critically Imperiled
304:(annual hairgrass),
419:Limnanthes floccosa
290:Limnanthes floccosa
249:Limnanthes floccosa
229:agate desertparsley
42:Conservation status
457:2010-12-15 at the
343:Endangered species
241:endangered species
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724:Open Tree of Life
537:Taxon identifiers
430:November 7, 2002.
298:(water foxtail),
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225:Cook's lomatium
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742:tro-1701393
698:NatureServe
646:iNaturalist
569:Wikispecies
423:grandiflora
350:agriculture
326:Description
278:floodplains
254:grandiflora
113:Angiosperms
60:NatureServe
811:Categories
737:Plant List
392:References
378:irrigation
362:ecosystems
372:produces
358:hydrology
207:J.S.Kagan
177:Species:
83:Kingdom:
822:Lomatium
776:Tropicos
703:2.133801
677:10208572
664:279798-2
560:Q6669210
554:Wikidata
472:Lomatium
455:Archived
366:blacktop
354:pastures
319:Brodiaea
264:and the
231:. It is
170:Lomatium
159:Apiaceae
155:Family:
139:Asterids
126:Eudicots
781:1701393
729:3891132
716:1502535
625:3034289
476:Madroño
411:USFWS.
382:ditches
286:hardpan
233:endemic
165:Genus:
149:Apiales
145:Order:
87:Plantae
58: (
750:PLANTS
690:503533
651:164722
638:400636
612:486985
596:ECOS:
376:, and
374:runoff
364:. The
335:is an
237:Oregon
755:LOCO8
672:IRMNG
589:3VWZT
421:ssp.
337:umbel
252:ssp.
133:Clade
120:Clade
107:Clade
94:Clade
763:POWO
711:NCBI
685:ITIS
659:IPNI
633:GRIN
620:GBIF
599:1583
417:and
380:and
227:and
789:WFO
607:EoL
584:CoL
268:of
260:of
235:to
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