``Saxifraga Umbrosa'' Adorned with Brilliant Colors by the Selection of Syrphidæ
Published in Botanical Gazette, in 1880, in volume 5, issue 8/9, pages 93-94
Date published:1880
Published in Botanical Gazette, in 1880, in volume 5, issue 8/9, pages 93-94
Date published:1880