Updated September 3, 2020: Readers of the weekly Matthaei-Nichols enewsletter have been sending in their plant ID questions all summer. Here’s the latest crop from late July and August. We identified all of them, however, not all are ID-ed to the species level.
Stickseed (Hackelia virginiana)
Giant ragweed (Ambrosia trifida)
Gebus Trollius
Buckthorn species, possibly Dahurian buckthorn (Rhamnus davurica)
Genus Geum, species unknown; native
Turkish filbert (Corylus colurna)
Pigweed amaranth, possibly Palmer pigweed (Amaranthus palmeri
Burnweed (Erechtites hieraciifolius)
Mullein (Verbascum genus)
July 2020: Readers of the weekly Matthaei-Nichols enewsletter sent in their plant ID questions. We identified all of them, however, not all are ID-ed to the species level.
Submitted by Ann: This is one of the weedy cinquefoils.
Submitted by Bernadette: This is velvetleaf (Abutilon theophrasti), a non-native plant whose seeds can remain viable for 20 years: https://www.illinoiswildflowers.info/weeds/plants/velvetleaf.htm
Submitted by Ellen: This is native black cherry, Prunus serotina.
Submitted by Beth. This is a willow (Salix genus; species unknown).
Submitted by Jennifer: This is an ornamental purslane (Portulaca).
Submitted by Kathy: This is goldenrod (Solidago; species unknown).
Submitted by Loretta: This is a willow (Salix genus; species unknown).
Submitted by a reader: This is burning bush, Euonymus alatus.
Submitted by Marcy: This is a Japanese tree lilac, Syringa reticulata.
Submitted by Marietal: This is mullein (pinkish flowers) and motherwort.
Submitted by Sandy: This is a St. John’s Wort (genus Hypericum)
Submitted by Jeff: This is a diseased buckthorn (Rhamnus) seedling, probably caused by an organism or from glyphosate herbicide.
June 2020: Readers of the weekly Matthaei-Nichols enewsletter sent in their plant ID questions. We identified all of them, however, not all are ID-ed to the species level.
This is a buckeye, Aesculus genus, that’s a hybrid between A. pavia and A. hippocastanum (horse chestnut). It is known as Aesculus x carnea and is commonly found in nurseries and around town
Camassia species; native to western North America.
Hemp dogbane (Apocynum cannabinum)
Golden Alexanders (Zizea aurea).
Young invasive honeysuckle species (Lonicera genus).
Willow; unknown species form photo
Yellow-flowered mustard; species unknown from photo.
