Polygonum douglasii Greene

  • Filed As

    Polygonaceae
    Polygonum douglasii Greene

  • Collector(s)

    J. E. Patton 1239 with Bob Patton, 23 Jun 1984

  • Location

    United States of America. Idaho. Owyhee Co. 31 miles south of Jordan Valley, Oregon. 1 1/2 miles north of North Fork Owyhee River crossing and 2 miles southeast of Cliffs. 1 1/2 miles east of main road.

  • Habitat

    Slight north facing slope. Juniperus occidentalis, Artemisia tridentata ssp. vaseyana, Agropyron spicatum. Soil loamy. Area burned in 1980.

  • Description

    Annual. Tepals white to pink with green midvein. Phenology of specimen: Fertile, Flower, Fruit.

  • Identifiers

    NY Barcode: 407635

    Occurrence ID: ab2d1444-5c52-4c6f-9036-e3e4263acf0c

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  • Region

    North America

  • Country

    United States of America

  • State/Province

    Idaho

  • County/Municipio

    Owyhee Co.

  • Locality

    31 miles south of Jordan Valley, Oregon. 1 1/2 miles north of North Fork Owyhee River crossing and 2 miles southeast of Cliffs. 1 1/2 miles east of main road.

  • Township, Range, Section

    T9S, R5W, S29 NW1/4, SW1/4

  • Elevation

    Alt. 1585 m. (5200 ft.)

  • Coordinates

    42.6126, -116.951

  • Georeferencing Method

    TRS Conversion Calculator. Used TRS2LL tool (defunct, now: TRS-data conversion tool, Montana State University, www.esg.montana.edu/gl/trs-data.html) to convert TRS coordinates (Township, Range, Section; Public Land Survey System) to decimal degrees. Township, Range and Section data used for conversion: T9S, R5W, Sec. 29

  • Distribution

    Map all specimens of this taxon

Intermountain Flora Project - Polygonaceae
Polygonum douglasii Greene
James L. Reveal	2010
L.H. Bailey Hortorium, Cornell University (BH)
New York Botanical Garden, Bronx, NY (NY)
9V
Polygonum douglasii Greene
var- latifolium (Engelm.) Greene
Idaho, Owyhee Co.: 31 mi* S. of Jordan
Valley, OR. 1 1/2 mi. N. of North Fork
Owyhee River crossing and 2 mi. S.E. of
Cliffs. 1 1/2 mi. E- of main road.
Slight N. facing slope. Soil loamy.
Area burned in 1980.
T9S, R5W, see 29, NW 1/4, SW 1/4. 5200»
Annual. Tepals white to pink with
green midvein.
Assoc, spp.: Juniperus occidentalis.
Artemisia tridentata spp. vasevana .
Agropyron spicatum.
Coll. Janet Easterday Patton #1239
with Bob Patton
23 June 1984
00407635