Illinois Natural History Survey - University of Illinois

List of the Vascular Plants at Site M, Cass County, Illinois

Part 3: Q - P

K.R. RobertsonL. R. Phillippe, and G. A. Levin

The following table gives a list of all vascular plants that were observed during field work conducted during 1994 at Site M in Cass County, Illinois.

Genera beginning with Q - Z are given below. 
Go to Introduction and A - E 
Go to F - P

 

Scientific Name

Native or Introduced

Habitat

Frequency of Occurrence

Endangered or Threatened

Cass County Record

Quercus alba

native

upland woods

common

--

--

Quercus imbricaria

native

low woods

occasional

--

--

Quercus macrocarpa

native

low woods

common

--

--

Quercus muhlenbergii

native

upland woods

occasional

--

--

Quercus rubra

native

upland woods

common

--

--

Quercus stellata

native

upland woods

only seen once

--

--

Quercus velutina

native

upland woods

common

--

--

Ranunculus abortivus var. abortivus

native

cultivated fields

frequent

--

--

Ranunculus micranthus

native

wooded seep

occasional

--

new to Cass County

Ranunculus recurvatus

native

woods

occasional

--

--

Ranunculus septentrionalis

native

along streams

occasional

--

--

Rhamnus cathartica

introduced

base of hill prairie

infrequent

--

new to Cass County

Rhus glabra

native

hill prairies

common

--

--

Ribes missouriensis

native

disturbed woods

abundant

--

--

Robinia pseudoacacia

native

open pasture

infrequent

--

--

Rorippa sessiliflora

native

along creek

occasional

--

--

Rosa carolina

native

hill prairies, old fields

common

--

--

Rosa multiflora

introduced

woods, pastures, old fields

common

--

--

Rosa setigera

native

along streams & ponds, pastures

occasional

--

--

Rubus allegheniensis

native

old pastures, along streams

common

--

--

Rubus flagellaris

native

edge of woods

common

--

--

Rubus occidentalis

native

edge of woods

common

--

new to Cass County

Rubus pensylvanicus

native

edge of woods

common

--

--

Rudbeckia hirta

native

hill prairies, pastures, hay fields

common

--

--

Rudbeckia laciniata

native

floodplain woods

common

--

--

Rudbeckia subtomentosa

native

low woods

infrequent

--

--

Rudbeckia triloba

native

hill prairies

occasional

--

--

Ruellia humilisvar. longiflora

native

hill prairies

common

--

new to Cass County

Ruellia strepens

native

mesic woods

infrequent

--

--

Rumex acetosella

introduced

old pastures, hill prairies

common

--

--

Rumex altissimus

native

along streams

occasional

--

--

Rumex crispus

introduced

along streams

occasional

--

--

Rumex obtusifolius

introduced

along streams

occasional

--

--

Salix amygdaloides

native

seep

infrequent

--

new to Cass County

Salix babylonica

introduced

wooded ravine

only seen once

--

new to Cass County

Salix exigua

native

along streams

common

--

--

Salix nigra

native

along streams

common

--

--

Salix rigida

native

seep

occasional

--

--

Salvia lyrata

native

pastured hill prairie

only seen at one site

--

new to Cass County

Sambucus canadensis

native

edge of low woods, along streams

common

--

--

Sanicula canadensis

native

upland woods

common

--

--

Sanicula odorata (S. gregaria)

native

floodplain woods & grazed woods

abundant

--

--

Saponaria officinalis

introduced

hay fields, roadsides

common

--

--

Sassafras albidum

native

woods

common

--

--

Schizachyrium scoparium

native

hill prairies

common

--

--

Scirpus atrovirens

native

around ponds, wet areas

common

--

--

Scirpus pendulus

native

wet slope on hill prairie, roadsides

occasional

--

--

Scirpus tabernaemontanii

native

wet slope on pasture

infrequent

--

--

Scrophularia marilandica

native

edge of tributaries & floodplains

occasional

--

--

Scutellaria lateriflora

native

creek beds & open wet floodplains

occasional

--

--

Scutellaria leonardii

native

hill prairies

occasional

--

--

Scutellaria ovatavar. versicolor

native

low mesic woods

occasional

--

new to Cass County

Senecio plattensis

native

hill prairies

common

--

--

Setaria faberi

introduced

fields

common

--

--

Setaria glauca

native

roadsides

occasional

--

--

Setaria viridisvar. major

introduced

crop fields

occasional

--

--

Setaria viridisvar. viridis

introduced

fields & roadsides

common

--

--

Sicyos angulatus

native

creek beds & open floodplains

occasional

--

--

Sida spinosa

introduced

crop fields & roadsides

common

--

--

Silene antirrhina

native

hill prairies & hay fields

occasional

--

--

Silene nivea

native

edge of stream

only seen once

--

--

Silene stellata

native

upland woods

occasional

--

--

Silphium integrifolium

native

roadsides & old fields

rare

--

--

Silphium perfoliatum

native

wet areas

common

--

--

Silphium terebinthinaceum

native

hill prairies & old field

infrequent

--

--

Sisymbrium loeselii

introduced

old fields

occasional

--

--

Sisymbrium officinale var. leiocarpum

introduced

hayfields

occasional

--

new to Cass County

Sisyrinchium angustifolium

native

woods

occasional

--

new to Cass County

Sisyrinchium campestre

native

hill prairies

common

--

--

Smilacina racemosa

native

woods

occasional

--

--

Smilacina stellata

native

open woods

infrequent

--

--

Smilax hispida

native

edge of woods

common

--

--

Smilax lasioneuron

native

roadsides

infrequent

--

--

Solanum carolinense

native

agricultural fields, pastures, hay fields

common

--

--

Solanum ptycanthum

native

cornfield

occasional

--

--

Solanum rostratum

introduced

creek bed

only saw once

--

--

Solidago canadensis

native

open floodplains

abundant

--

--

Solidago gigantea

native

open floodplains

common

--

--

Solidago juncea

native

hill prairies

common

--

--

Solidago nemoralis

native

hill prairies

common

--

--

Solidago rigida

native

hill prairies

only seen 3 times

--

--

Solidago speciosa

native

hill prairies

common

--

--

Solidago ulmifolia

native

upland woods

common

--

--

Sonchus asper

introduced

fields

occasional

--

--

Sorghastrum nutans

native

hill prairies

common

--

--

Sorghum halapense

introduced

crop fields

common

--

--

Sphenopholis obtusata var. major

native

upland woods

common

--

--

Sphenopholis obtusata var. obtusata

native

moist woods

common

--

--

Spiranthes cernua

native

degraded hill prairie

infrequent

--

--

Spiranthes magnicamporum

native

hill prairies

common

--

--

Sporobolus aspera

native

hill prairies

common

--

--

Stachys tenuifolia var. tenuifolia

native

floodplains

infrequent

--

--

Staphylea trifolia

native

woods

occasional

--

--

Stellaria media

introduced

disturbed areas

occasional

--

--

Strophostyles helvola

native

roadside

occasional

--

--

Symphoricarpos orbiculatus

native

upland woods

infrequent

--

--

Taraxacum officinale

introduced

disturbed areas

common

--

--

Teucrium canadense var. boreale

native

along streams

common

--

new to Cass County

Thalictrum revolutum

native

low woods

infrequent

--

--

Thaspium trifoliatum

native

mesic woods

infrequent

--

--

Thlaspi arvense

introduced

disturbed areas

common

--

--

Tilia americanavar. americana

native

mesic woods & open pastures

occasional

--

--

Torilis japonica

introduced

pastures & floodplains

occasional

--

--

Toxicodendron radicans

native

pastures & woods

abundant

--

--

Tradescantia ohiensis

native

disturbed hill prairies

infrequent

--

--

Tragopogon dubius

introduced

hay fields, pastures

occasional

--

--

Tridens flavus

native

pastures

common

--

--

Trifolium campestre

introduced

hay fields

occasional

--

--

Trifolium pratense

introduced

pastures

common

--

--

Trifolium repens

introduced

pastures

common

--

--

Trillium recurvatum

native

woods

common

--

--

Triodanis perfoliata var. perfoliata

native

hill prairies

occasional

--

--

Triosteum perfoliatum

native

hill prairies

common

--

--

Typha latifolia

native

wet areas

infrequent

--

--

Ulmus americana

native

woods

common

--

--

Ulmus pumila

introduced

old home site

infrequent

--

--

Ulmus rubra

native

woods

common

--

--

Urtica dioica

native

open floodplains

occasional

--

--

Uvularia grandiflora

native

woods

occasional

--

--

Verbascum blattaria

introduced

hill prairies

infrequent

--

--

Verbascum thapsus

introduced

hill prairies, pastures, disturbed areas

common

--

--

Verbena bracteata

native

hay field

infrequent

--

--

Verbena hastata

native

along streams

occasional

--

--

Verbena stricta

native

hill prairies, pastures, hay fields

common

--

--

Verbena urticifolia var. urticifolia

native

creek beds & floodplain woods

occasional

--

--

Verbesina alternifolia

native

open floodplains

occasional

--

--

Vernonia missurica

native

pastures

occasional

--

--

Veronica arvensis

introduced

roadsides, fields

common

--

--

Veronica peregrina subsp. xalapensis

native

creekbeds & crop fields

common

--

new to Cass County

Veronicastrum virginicum

native

hill prairies, open woods

infrequent

--

--

Viburnum prunifolium

native

upland woods

occasional

--

--

Viola pratincola

native

woods

infrequent

--

new to Cass County

Viola pubescensvar. eriocarpa

native

mesic woods

infrequent

--

--

Viola rafinesquii

introduced

hill prairies, pastures

occasional

--

--

Viola sororia

native

low woods

common

--

--

Vitis cinerea

native

edge of woods

occasional

--

--

Vitis riparia

native

bottomland woods

common

--

--

Woodsia obtusa

native

mesic woods

infrequent

--

--

Xanthium strumarium var. canadensis

native

crop fields

common

--

--

Zannichellia palustris

native

pond

infrequent

--

new to Cass County

Zanthoxylum americanum

native

upland woods

common

--

--

Go to Introduction and A - E 
Go to F - P



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