| Oregon Flora Image Project | |
| Polygonum aviculare L. | [see ssp.] - [see ssp.] Polygonaceae |
Click on an image for a larger version. All images © Gerald D. Carr unless otherwise noted.
| ssp. aviculare | prostrate knotweed - Exotic, Not Naturalized |
| Disturbed open area 70 yds. E of Hwy 99W, 120 yds. S of SE Richland Ave., 234 ft. elev., N44.54141, W123.26540, Corvallis, Benton Co., OR, 10/27/2022 [Halse 11180] | Disturbed open area 70 yds. E of Hwy 99W, 120 yds. S of SE Richland Ave., 234 ft. elev., N44.54141, W123.26540, Corvallis, Benton Co., OR, 10/27/2022 [Halse 11180] | Disturbed open area 70 yds. E of Hwy 99W, 120
yds. S of SE Richland Ave., 234 ft. elev.,
N44.54141, W123.26540, Corvallis, Benton Co., OR, 10/27/2022 [Halse
11180]
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| Disturbed open area 70 yds. E of Hwy 99W, 120 yds. S of SE Richland Ave., 234 ft. elev., N44.54141, W123.26540, Corvallis, Benton Co., OR, 10/27/2022 [Halse 11180] | Disturbed open area 70 yds. E of Hwy 99W, 120 yds. S of SE Richland Ave., 234 ft. elev., N44.54141, W123.26540, Corvallis, Benton Co., OR, 10/27/2022 [Halse 11180] | Disturbed open area 70 yds. E of Hwy 99W, 120 yds. S of SE Richland Ave., 234 ft. elev., N44.54141, W123.26540, Corvallis, Benton Co., OR, 10/27/2022 [Halse 11180] |
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| Disturbed open area 70 yds. E of Hwy 99W, 120 yds. S of SE Richland Ave., 234 ft. elev., N44.54141, W123.26540, Corvallis, Benton Co., OR, 10/27/2022 [Halse 11180] | Disturbed open area 70 yds. E of Hwy 99W, 120 yds. S of SE Richland Ave., 234 ft. elev., N44.54141, W123.26540, Corvallis, Benton Co., OR, 10/27/2022 [Halse 11180] | Disturbed open area 70 yds. E of Hwy 99W, 120 yds. S of SE Richland Ave., 234 ft. elev., N44.54141, W123.26540, Corvallis, Benton Co., OR, 10/27/2022 [Halse 11180] |
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| Disturbed open area 70 yds. E of Hwy 99W, 120 yds. S of SE Richland Ave., 234 ft. elev., N44.54141, W123.26540, Corvallis, Benton Co., OR, 10/27/2022 [Halse 11180] | Disturbed open area 70 yds. E of Hwy 99W, 120 yds. S of SE Richland Ave., 234 ft. elev., N44.54141, W123.26540, Corvallis, Benton Co., OR, 10/27/2022 [Halse 11180] | Disturbed open area 70 yds. E of Hwy 99W, 120 yds. S of SE Richland Ave., 234 ft. elev., N44.54141, W123.26540, Corvallis, Benton Co., OR, 10/27/2022 [Halse 11180] |
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| ssp. buxiforme (Small) Costea & Tardif | American knotweed - Native |
| Along Marys Peak Rd., ca. 4.2 mi. from its jct. with Hwy 34, 2405 ft. elev., N44.48869, W123.53728, Benton Co., OR, 10/7/2021 [Halse 10865] | Along Marys Peak Rd., ca. 4.2 mi. from its jct. with Hwy 34, 2405 ft. elev., N44.48869, W123.53728, Benton Co., OR, 10/7/2021 [Halse 10865] | Along Marys Peak Rd., ca. 4.2 mi. from its jct. with Hwy 34, 2405 ft. elev., N44.48869, W123.53728, Benton Co., OR, 10/7/2021 [Halse 10865] |
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| Along Marys Peak Rd., ca. 4.2 mi. from its jct. with Hwy 34, 2405 ft. elev., N44.48869, W123.53728, Benton Co., OR, 10/7/2021 [Halse 10865] | Along Marys Peak Rd., ca. 4.2 mi. from its jct. with Hwy 34, 2405 ft. elev., N44.48869, W123.53728, Benton Co., OR, 10/7/2021 [Halse 10865] | Along Marys Peak Rd., ca. 4.2 mi. from its jct. with Hwy 34, 2405 ft. elev., N44.48869, W123.53728, Benton Co., OR, 10/7/2021 [Halse 10865] | Along Marys Peak Rd., ca. 4.2 mi. from its jct. with Hwy 34, 2405 ft. elev., N44.48869, W123.53728, Benton Co., OR, 10/7/2021 [Halse 10865] |
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| Along Marys Peak Rd., ca. 4.2 mi. from its jct. with Hwy 34, 2405 ft. elev., N44.48869, W123.53728, Benton Co., OR, 10/7/2021 [Halse 10865] | Along Marys Peak Rd., ca. 4.2 mi. from its jct. with Hwy 34, 2405 ft. elev., N44.48869, W123.53728, Benton Co., OR, 10/7/2021 [Halse 10865] | ||
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| ssp. depressum (Meisner) Arcangeli | common knotweed - Exotic, Naturalized |
| Corvallis, Benton Co., OR, 10/16/2005 | ca. 0.5 mi. E of Prairie Peak on Rd. 15-7-7, 7 mi. S of Alsea, Benton Co., OR, 8/19/2006 | ||
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| ca. 0.5 mi. E of Prairie Peak on Rd. 15-7-7, 7 mi. S of Alsea, Benton Co., OR, 8/19/2006 | ca. 0.5 mi. E of Prairie Peak on Rd. 15-7-7, 7 mi. S of Alsea, Benton Co., OR, 8/19/2006 | ca. 0.5 mi. E of Prairie Peak on Rd. 15-7-7, 7 mi. S of Alsea, Benton Co., OR, 8/19/2006 |
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| ssp. neglectum (Besser) Arcang. | narrow-leaf knotweed - Exotic, Not Naturalized |
| Disturbed open area 70 yds. E of Hwy 99W, 120 yds. S of SE Richland Ave., 234 ft. elev., N44.54141, W123.26540, Corvallis, Benton Co., OR, 10/27/2022 [Halse 11179] | Disturbed open area 70 yds. E of Hwy 99W, 120 yds. S of SE Richland Ave., 234 ft. elev., N44.54141, W123.26540, Corvallis, Benton Co., OR, 10/27/2022 [Halse 11179] | ||
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| Disturbed open area 70 yds. E of Hwy 99W, 120 yds. S of SE Richland Ave., 234 ft. elev., N44.54141, W123.26540, Corvallis, Benton Co., OR, 10/27/2022 [Halse 11179] | Disturbed open area 70 yds. E of Hwy 99W, 120 yds. S of SE Richland Ave., 234 ft. elev., N44.54141, W123.26540, Corvallis, Benton Co., OR, 10/27/2022 [Halse 11179] | Disturbed open area 70 yds. E of Hwy 99W, 120 yds. S of SE Richland Ave., 234 ft. elev., N44.54141, W123.26540, Corvallis, Benton Co., OR, 10/27/2022 [Halse 11179] |
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| Disturbed open area 70 yds. E of Hwy 99W, 120 yds. S of SE Richland Ave., 234 ft. elev., N44.54141, W123.26540, Corvallis, Benton Co., OR, 10/27/2022 [Halse 11179] | Disturbed open area 70 yds. E of Hwy 99W, 120 yds. S of SE Richland Ave., 234 ft. elev., N44.54141, W123.26540, Corvallis, Benton Co., OR, 10/27/2022 [Halse 11179] | Disturbed open area 70 yds. E of Hwy 99W, 120 yds. S of SE Richland Ave., 234 ft. elev., N44.54141, W123.26540, Corvallis, Benton Co., OR, 10/27/2022 [Halse 11179] |
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