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object type
Photographic images
century
20th century
year
1990
1991
1993
1994
1996
1997
1998
1999
and 1 more
person
Armstrong, Patricia K.
Schulenberg, Ray

Objects (13 results)

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Panicum virgatum L. (switch grass) and Lespedeza capitata Michx. (round-headed bush-clover), leaves
Photographic imagePanicum virgatum L. (switch grass) and Lespedeza capitata Michx. (round-headed bush-clover), leaves

January 27 1994

Armstrong, Patricia K.

Asclepias lanuginosa Nutt. (wooly milkweed), flowers and leaves
Photographic imageAsclepias lanuginosa Nutt. (wooly milkweed), flowers and leaves

June 2 1991

Armstrong, Patricia K.

Muhlenbergia cuspidata (Torr. ex Hook.) Rydb. (plains muhly), habit
Photographic imageMuhlenbergia cuspidata (Torr. ex Hook.) Rydb. (plains muhly), habit

August 29 1998

Armstrong, Patricia K.

Plantago cordata Lam. (heart-leaved plantain), habit
Photographic imagePlantago cordata Lam. (heart-leaved plantain), habit

May 2 1996

Armstrong, Patricia K.

Campanula americana L. (tall bellflower) and Eutrochium purpureum (L.) E.E.Lamont (purple Joe Pye weed), habit, habitat
Photographic imageCampanula americana L. (tall bellflower) and Eutrochium purpureum (L.) E.E.Lamont (purple Joe Pye weed), habit, habitat

August 13 1997

Armstrong, Patricia K.

Campanula americana L. (tall bellflower) and Eutrochium purpureum (L.) E.E.Lamont (purple Joe Pye weed), habitat
Photographic imageCampanula americana L. (tall bellflower) and Eutrochium purpureum (L.) E.E.Lamont (purple Joe Pye weed), habitat

August 3 1993

Armstrong, Patricia K.

Ray Schulenberg, 1998
Photographic imageRay Schulenberg, 1998

August 29 1998

Armstrong, Patricia K.

Amorpha canescens Pursh (leadplant), leaves and flowers
Photographic imageAmorpha canescens Pursh (leadplant), leaves and flowers

June 21 1999

Armstrong, Patricia K.

Rudbeckia hirta L. (black-eyed Susan), flowers and Silphium terebinthinaceum Jacq. (prairie dock), leaves
Photographic imageRudbeckia hirta L. (black-eyed Susan), flowers and Silphium terebinthinaceum Jacq. (prairie dock), leaves

June 21 1999

Armstrong, Patricia K.

Pycnanthemum virginianum (L.) T. Durand & B. D. Jacks. (common mountain mint), flowers
Photographic imagePycnanthemum virginianum (L.) T. Durand & B. D. Jacks. (common mountain mint), flowers

August 1990

Armstrong, Patricia K.

Eryngium yuccifolium Michx. (rattlesnake master), close-up of flowers
Photographic imageEryngium yuccifolium Michx. (rattlesnake master), close-up of flowers

July 13 1997

Armstrong, Patricia K.

Rudbeckia hirta L. (black-eyed Susan), close-up of flower
Photographic imageRudbeckia hirta L. (black-eyed Susan), close-up of flower

October 6 1990

Armstrong, Patricia K.

Asclepias tuberosa L. (butterfly weed), flowers
Photographic imageAsclepias tuberosa L. (butterfly weed), flowers

July 1994

Armstrong, Patricia K.

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