Unopen Flower: present
0 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Frequency of Unopen Flower - present, by month, for 10 herbarium specimens of Cirsium arvense (L.) Scop. from the CCH2 Portal (http://cch2.org/portal/taxa/plottab.php?tid=202943) sampled on Mon, 22 Jul 2024 21:43:00 -0700.

Open Flower: present
0 6 12 18 24 30 36 42 48 54 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Frequency of Open Flower - present, by month, for 140 herbarium specimens of Cirsium arvense (L.) Scop. from the CCH2 Portal (http://cch2.org/portal/taxa/plottab.php?tid=202943) sampled on Mon, 22 Jul 2024 21:43:00 -0700.

Fruit: present
0 2.4 4.8 7.2 9.6 12 14.4 16.8 19.2 21.6 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Frequency of Fruit - present, by month, for 64 herbarium specimens of Cirsium arvense (L.) Scop. from the CCH2 Portal (http://cch2.org/portal/taxa/plottab.php?tid=202943) sampled on Mon, 22 Jul 2024 21:43:00 -0700.