invasive
Showing 37–42 of 42 results
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Solidago canadensis / goldenrod
- large sprays of yellow flowers in late summer and fall
- often tall and in large colonies
- lance-shaped, toothed leaves
- mostly (but not always) in disturbed areas
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Taraxacum officinale / dandelion
- rosette growth habit with lobed leaves
- yellow dandelion-like flowers - composites with only ray florets
- only one flower head per stem
- characteristic puff-ball seedheads
- found anywhere and anytime
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Thlaspi arvense / field pennycress
- inflorescence a raceme with white, teeny flowers
- oval seed pods ca. 1/3" across
- blooms late spring and summer
- continues blooming as pods fill from older flowers
- common weed in disturbed habitats including cultivated land
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Tragopogon spp. / salsify
- large yellow inflorescence with pointy sepals extending past the "flower"
- grass-like leaves
- non-native, weed
- widespread
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Tripleurospermum inodorum / scentless chamomile
- daisy-like blossoms with finely divided leaves
- central disk shape changes from button- to dome- to hemisphere- with age
- ray petals droop as disk expands
- leaves don't smell when crushed
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Urtica dioica / stinging nettle
- near streams and moist bogs, in woodland understories, disturbed places, wastelands
- leaves - strongly serrated margin, a heart-shaped base, a pointed tip
- flower - greenish or brownish in dense dangling clusters
- nasty hairs that sting you
Showing 37–42 of 42 results
