You're welcome, Evelyn. I'm glad it is of use.
My cataloguing system is entirely digital; I do have a notebook where I make gardening notes at times, but that is predominantly so I don't forget it before adding it to my spreadsheets or documents later.
I also use Google Drawings (part of the Google Docs suite) to map out the garden bed. I upload a photo of the plant, then create a text box (sized to fit the photo) and put the name in it. I then group the text box with the photo and can move it around the drawing canvas as required. Here's an example:
