Calochortus umpquaensis ssp. umpquaensis
PNW
OR
20 specimens from 2 herbaria:
Oregon (20)
Douglas (20)
Calochortus umpquaensis Fredricks ssp. umpquaensis
Annotated by collector, Jun 2016.

Oregon: Douglas County: [locality and coordinates withheld; status in Oregon: S3 (Rare; OBIC)],
ultramafic soils quite abundant Phenology: flowers & fruits.

Frank T. Callahan C.u.u.-1, Jun 2016
With Ed Rustvold
SOC, Accession: 27098
Calochortus umpquaensis Fredricks ssp. umpquaensis
Annotated by collector, 3 Jun 2015.

Oregon: Douglas County: [locality and coordinates withheld; status in Oregon: S3 (Rare; OBIC)],
UMF soils east of Peel in open grasslands.¶Calocedrus decurrens encroaching on the meadows.

Frank T. Callahan C.u.u 2 P, Jun 3, 2015
With Ed Rustvold
SOC, Accession: 27602
Calochortus umpquaensis Fredricks ssp. umpquaensis
Annotated by collector, 3 Jun 2015.

Oregon: Douglas County: [locality and coordinates withheld; status in Oregon: S3 (Rare; OBIC)],
UMF soils east of Peel in open grasslands. Calocedrus decurrens encroaching on the meadows.

Frank T. Callahan C.u.u 2 P, Jun 3, 2015
With Ed Rustvold
SOC, Accession: 27603
Calochortus umpquaensis Fredricks ssp. umpquaensis
Annotated by collector, 22 Jun 2011.

Oregon: Douglas County: [locality and coordinates withheld; status in Oregon: S3 (Rare; OBIC)],
On soils derived from UMF substrates. Plants common but being displaced by forest element.

Frank T. Callahan Cu-1-P-2011, Jun 22, 2011
With Sean Lake and Ed Rustvold
SOC, Accession: 23961
Calochortus umpquaensis Fredricks ssp. umpquaensis
Annotated by collector, 7 Jun 2009.

Oregon: Douglas County: [locality and coordinates withheld; status in Oregon: S3 (Rare; OBIC)],
[map of collection location on sheet] [Duplicate of SOC 28039] Phenology: flowers & fruits.

Frank T. Callahan Cuu-2-AWM, Jun 7, 2009
SOC, Accession: 28038
Calochortus umpquaensis Fredricks ssp. umpquaensis
Annotated by collector, 7 Jun 2009.

Oregon: Douglas County: [locality and coordinates withheld; status in Oregon: S3 (Rare; OBIC)],
[map of collection location on sheet] [Duplicate of SOC 28038] Phenology: flowering.

Frank T. Callahan Cuu-2-AWM, Jun 7, 2009
SOC, Accession: 28039
Calochortus umpquaensis Fredricks ssp. umpquaensis
Annotated by collector, 30 May 1992.

Oregon: Douglas County: [locality and coordinates withheld; status in Oregon: S3 (Rare; OBIC)],
There is a robust population of the plants to the north of this site, all on private property.

Frank T. Callahan Cuu-1-5-30-92, May 30, 1992
SOC, Accession: 25971
Calochortus umpquaensis Fredricks ssp. umpquaensis
Annotated by collector, Sep 2014.

Oregon: Douglas County: [locality and coordinates withheld; status in Oregon: S3 (Rare; OBIC)],
plants confined to utramafic substrate, in assoc. with Ceanothus cuneatus. Large UMF zone east of site is now a timber plantation. Calochortus is presently extirpated from site. Calochortus needs open sites for survival and dense timber plantations negate this. Phenology: flowering.

Frank T. Callahan CU-LM-1-1990, Jul 1990
SOC, Accession: 23896
Calochortus umpquaensis Fredricks ssp. umpquaensis
Annotated by collector, 18 Jul 1990.

Oregon: Douglas County: [locality and coordinates withheld; status in Oregon: S3 (Rare; OBIC)],
Plants abundant on UMF soils. This area has extensive grazing and many plants have been croped off.

Frank T. Callahan C.u.u 2 WM, Jul 18, 1990
With Ray Godfrey
SOC, Accession: 27325
Calochortus umpquaensis Fredricks ssp. umpquaensis
Annotated 18 Jul 1990.

Oregon: Douglas County: [locality and coordinates withheld; status in Oregon: S3 (Rare; OBIC)],
This area has extensive grazing and many plants have been croped of. This an open meadow. Plants abundant on UMF derived soils.

Frank T. Callahan C.u.u 2 WM, Jul 18, 1990
With Ray Godfrey
SOC, Accession: 27326
Calochortus umpquaensis Fredricks ssp. umpquaensis
Annotated by Callahan, F., 2014.

Oregon: Douglas: [locality and coordinates withheld; status in Oregon: S3 (Rare; OBIC)],
Ceanothus cuneatus. Https://oregonflora.org/collections/individual/index.php?occid=984237. Phenology: flowering.

Frank T. Callahan s.n., collected 1990
With Frank Callahan
OSC, Accession Number: OSC243379
Calochortus umpquaensis Fredricks ssp. umpquaensis
Annotated by collector, 2014.

Oregon: Douglas County: [locality and coordinates withheld; status in Oregon: S3 (Rare; OBIC)],
Plants confined to soils derived from UMF substrates.

Frank T. Callahan Cuu-1-AWM-1989, Jun 3, 1989
With M. R. Godfrey
SOC, Accession: 23942
Calochortus umpquaensis Fredricks ssp. umpquaensis
Annotated by collector, 2014.

Oregon: Douglas County: [locality and coordinates withheld; status in Oregon: S3 (Rare; OBIC)],
Plants scattered and heavily impacted by grazing.

Frank T. Callahan Cuu-1-PRD-1989, Jun 3, 1989
With M. R. Godfrey
SOC, Accession: 23943
Calochortus umpquaensis Fredricks ssp. umpquaensis
Annotated by collector, 2014.

Oregon: Douglas County: [locality and coordinates withheld; status in Oregon: S3 (Rare; OBIC)],
Open UMF gentle slopes.¶

Frank T. Callahan Cuu-1-OCD-89, Jun 3, 1989
With M. R. Godfrey
SOC, Accession: 23944
Calochortus umpquaensis Fredricks ssp. umpquaensis
Annotated by collector, 2014.

Oregon: Douglas County: [locality and coordinates withheld; status in Oregon: S3 (Rare; OBIC)],
Plants growing in open meadow with soils derived from UMF substrates. Plants scattered with ample evidence of grazing and agriculture present.

Frank T. Callahan Cuu-1-WM-89, Jun 3, 1989
With Ray Godfrey
SOC, Accession: 23940
Calochortus umpquaensis Fredricks ssp. umpquaensis
Annotated by collector, 2014.

Oregon: Douglas County: [locality and coordinates withheld; status in Oregon: S3 (Rare; OBIC)],
Plants abundant but scattered.

Frank T. Callahan Cuu-1-LR-89, Jun 3, 1989
With M. R. Godfrey
SOC, Accession: 23945
Calochortus umpquaensis Fredricks ssp. umpquaensis
Annotated by collector, 3 Jun 1989.

Oregon: Douglas County: [locality and coordinates withheld; status in Oregon: S3 (Rare; OBIC)],
Plants growing with Ceanothus cuneatus on soils derived from UMF substrates.

Frank T. Callahan Cuu-P-1-1989, Jun 3, 1989
SOC, Accession: 23941
Calochortus umpquaensis Fredricks ssp. umpquaensis
Annotated by collector, 12 Aug 1989.

Oregon: Douglas County: [locality and coordinates withheld; status in Oregon: S3 (Rare; OBIC)],
Plants all in capsule and quite abundant growing on UMF substrates - very poor soils. Plants growing with Ceanothus cuneatus, Iris chrysophylla and Silene hookeri.

Frank T. Callahan C. u.u.3AWM, Aug 12, 1989
With Ray Godfrey
SOC, Accession: 27327
Calochortus umpquaensis Fredricks ssp. umpquaensis
Annotated by collector, 12 Aug 1989.

Oregon: Douglas County: [locality and coordinates withheld; status in Oregon: S3 (Rare; OBIC)],
Plants all in capsule and quite abundant growing on UMF substrates - very poor soils. Plants growing with Ceanothus cuneatus, Iris chrysophylla and Silene hookeri.

Frank T. Callahan C.u.u 3AWM, Aug 12, 1989
With Ray Godfrey
SOC, Accession: 27328
Calochortus umpquaensis Fredricks ssp. umpquaensis
Annotated by collector, 12 Aug 1989.

Oregon: Douglas County: [locality and coordinates withheld; status in Oregon: S3 (Rare; OBIC)],
Plants all in capsule and quite abundant growing on UMF substrates - very poor soils. Plants growing with Ceanothus cuneatus, Iris chrysophylla and Silene hookeri.

Frank T. Callahan C. u. u 3AWM, Aug 12, 1989
With Ray Godfrey
SOC, Accession: 27329