Details for: Ames 32956, Betula ×sandbergii Britton, JDC/BX/2015/043/700


Summary Data
Taxonomy:
Betula ×sandbergii Britton
Top Name:
JDC/BX/2015/043/700
Origin:
Collected – Iowa, United States
Received by NPGS:
04 Sep 2015
Improvement Status:
Wild material
Reproductive Uniformity:

Population
Form Received:
Seed
Life Cycle:
Perennial
Life Habit:
Tree
Availability
This accession is not available. Contact site for status.
 
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Core Passport Data
Taxonomy:
Betula ×sandbergii Britton
Top Name:
JDC/BX/2015/043/700
Origin:
Collected – Iowa, United States
Received by NPGS:
04 Sep 2015
Improvement Status:
Wild material
Reproductive Uniformity:

Population
Form Received:
Seed
Life Cycle:
Perennial
Life Habit:
Tree
Source History
Collected
04 September 2015.
Iowa, United States
Locality: Private property approximately 2.5 miles south, southeast of Lawler. T95N R11W NW 1/4 NE 1/4 NE 1/4 Sec. 22 Chickasaw County.
Coordinates: 43.0361, -92.1258 (Map it)
Elevation: 347m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Dry, peaty soil. Growing in Palms muck soils in association amongst an extremely dense thicket of Ambrosia trifida and Urtica gracilis.
Number of plants sampled: 3
Associated species: Rhamnus cathartica, Phalaris arundinacea, Morus alba, Salix sp., Cornus sericea, Betula pumila (3 genets), Populus deltoides and Populus tremuloides.
Comment: Only four specimens of Betula x sandbergii noted at this site.
Collector(s):
Donated
04 September 2015.
Iowa, United States

Donor(s):
Accession Names and Identifiers
JDC/BX/2015/043/700
Type: Collector identifier
Carstens, Jeffrey D. USDA, ARS, NCRPIS

Ames 32956
Type: Site identifier
Group: AMES
NC-7 Research Numbers

Narrative
Betula x sandbergii = B. pumila x B. papyrifera. All B. x sandbergii specimens noted were approximately 30-40' in height with golden-brownish peeling bark. Largest diameter specimen measured 5 9/10" d.b.h. Fruiting heavily. Female catkins mostly all brown and actively dispersing seeds at time of harvest. Prior reports indicated this area to be "one of the best fens on the Iowan Surface - numerous rare species noted with approximately 500+plants of B. pumila in the northern part of the fen (Leoschke 1987); "mounded spring fen dominated by B. pumila" (Horton 1987); "2000+ ramets, dominant throughout most of the fen" (Leoschke 1989); and "dominant shrub in cold, peaty fen" (Nekola 1990). According to the USDA-NRCS Web Soil Survey the area is largely Palms muck soils. Likely sometime after 1990, changes in hydrology resulted in a drastic reduction of available soil moisture and loss of many plant taxa. As of 2015, only three specimens of B. pumila were noted.
Betula ×sandbergii Britton
Genus:
Betula
Subgenus:
Betula
Family:
Betulaceae
Subfamily:
Betuloideae
Nomen number:

7145
Place of publication:

Bull. Torrey Bot. Club 31:166. 1904
Verified:
09/15/2015 by ARS Systematic Botanists.
Other conspecific taxa
Autonyms (not in current use), synonyms and invalid designations
Common names
Annotations
Other Links
Actions
Pathogens
Vouchers
Herbarium specimen
  • Carstens, Jeffrey D., USDA, ARS, NCRPIS. 04 Sep 2015. Located at ISC - Ada Hayden Herbarium, Iowa State University, Ames, IA. Identifier: JDC/BX/2015/043/700. Inventory sample: Ames 32956 15ncao01. Taken in assistance with Cole Hopkins and Alex Aviles.
  • Carstens, Jeffrey D., USDA, ARS, NCRPIS. 04 Sep 2015. Located at NA - United States National Arboretum, USDA/ARS. Identifier: JDC/BX/2015/043/700. Inventory sample: Ames 32956 15ncao01. Taken in assistance with Cole Hopkins and Alex Aviles.
Citations
  • Nekola, J. 1994. The environment and vascular flora of northeastern Iowa fen communities. Rhodora 96:121-169. Number of accessions cited: 3
  • Pearson, J. A. & M. J. Leoschke. 1992. Floristic composition and conservation status of fens in Iowa. J. Iowa Acad. Sci. 99(2-3):41-52. Number of accessions cited: 4
Pedigree