Betula occidentalis
Hook.
Betulaceae
Species of the genus Betula are a difficult group taxonomically because of their high vegetative variability and frequent hybridization. Many species have been founded on only slight differences and many of these have subsequently been reduced to synonymy. Many morphologic and cytologic studies have attempted to deal with variation within the genus or its subgroups. Species of Betula form a polyploid series, with chromosome numbers of 2 n = 28,
56- Title
- Complete Guide to Water Plants.
- Publication
-
- Author
- Muhlberg. H.
- Publisher
- E. P. Publishing Ltd.
- Year
- 1982
- ISBN
- 0-7158-0789-7
- Description
- Deals with a wide range of plants for temperate areas (and indoor aquaria) with quite a lot of information on cultivation techniques.
,
70- Title
- Lichens for Vegetable Dyeing.
- Publication
-
- Author
- Bolton. E.
- Publisher
- Studio Vista
- Year
- 1972
- ISBN
- 0-289-70288-7
- Description
- A small but interesting book for the casual reader and the enthusiast.
,
84- Title
- A Field Guide to the Common and Interesting Plants of Baja California.
- Publication
-
- Author
- Coyle. J. and Roberts. N. C.
- Publisher
- Natural History Publishing Co.
- Year
- 1975
- ISBN
- -
- Description
- A very readable pocket flora with good illustrations, it gives quite a few plant uses.
, and 112, plus additional numbers in some hybrids.
Betula alba occidentalis (Hook.) Regel
Betula beeniana A.Nelson
Betula elrodiana E.J.Butler
Betula fontinalis Sarg.
Betula microphylla fontinalis (Sarg.) M.E.Jones
Betula microphylla occidentalis (Hook.) M.E.Jones
Betula papyracea occidentalis (Hook.) Dippel
Common Name: Water Birch
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