Cosmarium contractum var. ellipsoideum (Elfving) West et G.S. West
Reference: Prescott et al. 1981
Compare with: Cosmarium pseudoprotuberans
C0667
2016037065
2016037-065
Front view
USA (WA)
Collected by Robin Matthews
All photos copyright: © 2009-2019 Alfred van Geest - Send comments to asvg@xs4all.nl