|
| Family Name: | Euphorbiaceae |
| Currently Accepted Name: | Euphorbia humistrata Engelm. - Determined By: S. R. Hill, Dec 2000 |
| Determination History: |
Chamaesyce humistrata (Engelm. ex A. Gray) Small - Determined By: B. F. Hansen, Jan 2011
|
| Locality: | USA. Illinois. Rock Island Co.: Rock Island; SW tip of Rock Island (Arsenal Island), S of railroad bridge and Rodman Avenue; SE of Lock and Dam No. 15 of the Mississippi River, flats below reconstructed fort; Davenport East 7.5' quadrangle. T18N, R2W, Sec. 26, SE¼ SE¼ SE¼. 41º 31’ 12” N 90º 34’ 32” W |
| Description: | Local, occasional prostrate annual with milky latex, on more elevated area. |
| Habitat: | Alluvial mud, sand and silt, calcareous; ephemeral annuals of river mudflats; Lipocarpha micrantha, Rotala ramosior, Panicum capillare, Cyperus squarrosus, C. odoratus, Eragrostis hypnoides, E. pectinacea, etc. |
| Reproductive State: | Immature Fruit |
| Elevation: | 560 ft |
| Collector: | S. R. Hill 33227 |
| Date: | 20 Sep 2000 |
| Accession No: | 256711 |
| Image: | 256711.jpg |
| Plant Atlas Link: | Plant Atlas Citation |
|
| Family Name: | Euphorbiaceae |
| Currently Accepted Name: | Euphorbia humistrata Engelm. - Determined By: S. R. Hill, Oct 1995 |
| Determination History: |
Chamaesyce humistrata (Engelm.) Small - Determined By: B. F. Hansen, 1996
|
| Locality: | USA. Illinois. Woodford Co.: E bank of Illinois River S of jetty, N of Blue Creek; due E of channel marker; Spring Bay 7.5' quadrangle. T27N, R4W, Sec. 11, N½, NW¼, NW¼. 40º 48’ 49” N 89º 31’ 53” W |
| Description: | Rather common on wet sand in open areas; stem/ovaries pinkish; milky sap present. |
| Habitat: | Wet sand. |
| Reproductive State: | Bud |
| Elevation: | 440 ft |
| Collector: | S. R. Hill 27463 |
| Date: | 08 Sep 1995 |
| Accession No: | 215614 |
| Image: | 215614.jpg |
| Plant Atlas Link: | Plant Atlas Citation |
|
| Family Name: | Euphorbiaceae |
| Currently Accepted Name: | Euphorbia humistrata Engelm. - Determined By: S. R. Hill, 2001 |
| Determination History: |
Chamaesyce humistrata (Engelm.) Small - Determined By: B. F. Hansen, Jan 2003
|
| Locality: | USA. Illinois. Alexander Co.: IL 3 (FAP 312), McClure, W side, opposite VFW post; 0.2 mi. S of Union County line; Mississippi River Floodplain; McClure 7.5' quadrangle. T14S, R3W, Sec. 2, SE¼, SE¼, NW¼, NW¼. 37º 19’ 55” N 89º 24’ 42” W |
| Description: | Occasional herb with ascending stems, leaves pale green, no spots; at margin of soybean fields and mowed highway right-of-way. |
| Habitat: | At slough (intermittent stream); disturbed wet silty sand; alluvial deposits; Secondary floodplain forest, degraded, bordering agricultural land, dominated by Acer saccharinum, Campsis radicans, Forestiera acuminata, Salix nigra, with Leptochloa panicoides, Leucospora, Rotala, Echinodorus, Polygonum spp. |
| Reproductive State: | Bud, Immature Fruit |
| Elevation: | 340 ft |
| Collector: | S. R. Hill 34253
with J. A. Koontz |
| Date: | 28 Aug 2001 |
| Accession No: | 234473 |
| Image: | 234473.jpg |
| Plant Atlas Link: | Plant Atlas Citation |
|
| Family Name: | Euphorbiaceae |
| Currently Accepted Name: | Euphorbia humistrata Engelm. - Determined By: S. R. Hill, Oct 1994 |
| Locality: | USA. Kentucky. Union Co.: E bank of the Ohio River, boat launch ramp and parking area, Blackburn; 0.6 mi. N of the Route 13/56 bridge. |
| Description: | Occasional prostrate herb at parking lot; milky sap; stems 2' long. |
| Reproductive State: | Bud |
| Collector: | S. R. Hill 26173 |
| Date: | 22 Sep 1994 |
| Accession No: | 212859 |
| Image: | 212859.jpg |
| Plant Atlas Link: | Plant Atlas Citation |
|
| Family Name: | Euphorbiaceae |
| Currently Accepted Name: | Euphorbia humistrata Engelm. |
| Determination History: |
Chamaesyce humistrata (Engelm.) Small - Determined By: D. W. Crewz, Aug 1977
|
| Locality: | USA. New York. Richmond Co.: Bond Street, Port Richmond; Staten Island. |
| Reproductive State: | Bud, Immature Fruit |
| Collector: | P. Dowell 6735 |
| Date: | 17 Sep 1911 |
| Accession No: | 45386 |
| Image: | 45386.jpg |
| Plant Atlas Link: | Plant Atlas Citation |
|
| Family Name: | Euphorbiaceae |
| Currently Accepted Name: | Euphorbia humistrata Engelm. |
| Determination History: |
Chamaesyce humistrata (Engelm.) Small - Determined By: D. W. Crewz, Aug 1977
|
| Locality: | USA. District of Columbia. Smithsonian grounds. |
| Reproductive State: | Bud |
| Collector: | P. Dowell 1683 |
| Date: | 09 Aug 1902 |
| Accession No: | 45268 |
| Image: | 45268.jpg |
| Plant Atlas Link: | Plant Atlas Citation |
|
| Family Name: | Euphorbiaceae |
| Currently Accepted Name: | Euphorbia humistrata Engelm. ex A. Gray - Determined By: L. C. Noel, 09-Sep-2017 |
| Determination History: |
Chamaesyce humistrata (Engelm. & A. Gray) Small - Determined By: A. Herndon, 1992
Chamaesyce humistrata (Engelm. & A. Gray) Small - Determined By: R. K. Godfrey
|
| Locality: | USA. Florida. Calhoun Co.: Along the Apalachicola River, highway bridge right-of-way, E of Blountstown. 29º 43’ 32” N -84º -58’ -59” W |
| Description: | Abundant. |
| Habitat: | Clearing of floodplain forest. |
| Reproductive State: | Fertile |
| Collector: | R. K. Godfrey 73722 |
| Date: | 19 Jun 1974 |
| Accession No: | 124965 |
| Image: | 124965.jpg |
| Plant Atlas Link: | Plant Atlas Citation |