Unopen Flower: present
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Frequency of Unopen Flower - present, by month, for 4 herbarium specimens of Betula occidentalis Hook. from the CCH2 Portal (http://www.cch2.org/portal/taxa/plottab.php?tid=11536) sampled on Mon, 04 Jul 2022 17:48:27 -0700.

Open Flower: present
0 3.1 6.2 9.3 12.4 15.5 18.6 21.7 24.8 27.9 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Frequency of Open Flower - present, by month, for 107 herbarium specimens of Betula occidentalis Hook. from the CCH2 Portal (http://www.cch2.org/portal/taxa/plottab.php?tid=11536) sampled on Mon, 04 Jul 2022 17:48:27 -0700.

Fruit: present
0 2.2 4.4 6.6 8.8 11 13.2 15.4 17.6 19.8 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Frequency of Fruit - present, by month, for 69 herbarium specimens of Betula occidentalis Hook. from the CCH2 Portal (http://www.cch2.org/portal/taxa/plottab.php?tid=11536) sampled on Mon, 04 Jul 2022 17:48:27 -0700.