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Salix alba L.
+ White willow SE4 CP R
Salix amygdaloides Anderss.
Peach-leaved willow S5 CP
Salix bebbiana Sarg.
Bebb’s willow S5 CP
Salix cordata Michx.
H Heart-leaf willow S4S5 CP
Salix discolor Muhlenb.
Pussy willow S5 CP HV R
Salix eriocephala Michx.
Missouri willow S5 CP HV RC R
[S. rigida Muhl.]
Salix exigua Nutt.
Sandbar willow S5 CP RC R
[S. interior Rowlee]
Salix fragilis L.
+ Crack willow SE5 CP R
Salix humilis Marshall
Upland willow S5 CP HV
[Including specimens misidentified as S. candida Fluegge]
Salix lucida Muhlenb.
Shining willow S5 R
Salix myricoides Muhlenb.
H Blue-leaved willow S3 CP
Salix nigra Marshall
Black willow S4? CP HV R
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Salix pentandra L.
+ Bay-leaved willow SE2 CP
Salix petiolaris Sm.
Slender willow S5 CP
Salix purpurea L.
+H Basket willow SE4 CP HV
Numerous collections from the 1950s, and recollected in 1999.
Salix X rubens Schrank
+N Reddish willow SE4 HV
Salix X sepulcralis Simonk.
+H Hybrid willow SE2 CP HV
Caper family
Cleome hassleriana Chodat
Capparidaceae
+ Cleome SE1 W
Polanisia dodecandra (L.) DC.
Clammyweed S4 R
Mustard family
Alliaria petiolata (M. Bieb.) Cavara & Grande
Brassicaceae
+ Garlic mustard
[A. officinalis Andrz.]
SE5 CP HV RC
Alyssum alyssoides (L.) L.
+ Yellow alyssum SE5 R
Arabidopsis thaliana (L.) Heynh.
+ Mouse-ear cress SE5 W
Arabis alpina L. ssp. caucasica (Schlect. ex Willd.) Briq.
+H Alpine rock-cress SE2
A single collection from “shore,” 1948, originally identified as A.lyrata L.
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