Observing, photographing, and collecting plants
Robertson, Kenneth Ray,
1941-
creator
Illinois. Natural History Survey Division
contributor
text
book
Urbana, [Ill]
Illinois Natural History Survey
1980
1980
ENG
Collection and preservation
Identification
Photography of plants
Plants
Circular (Illinois. Natural History Survey Division), no. 55
https://www.biodiversitylibrary.org/bibliography/46166
7350739
10.5962/bhl.title.46166
SPI