Select one of the following plant ecology courses:
BOT 440. Field Methods in Vegetation Science (4)
BOT 442. Plant Population Ecology (3)
BOT 488. Environmental Physiology of Plants (3)
BOT 543. Plant Community Ecology (3)
ENT 420. Insect Ecology (3)

Select one of the following plant systematics courses:
BOT 323. ^Flowering Plants of the World (3)
BOT 414. Agrostology (4)
BOT 425. Flora of the Pacific Northwest (3)

Select additional courses from above or below to bring total to 21 credits:

Ecology electives:

BI 358. Symbioses and the Environment (3)
BI 371. Ecological Methods (3)
BOT 590. Selected Topics in Mycology: Fungal Symbioses (3)
CH 390. Environmental Chemistry (3)
CSS 305. Principles of Soil Science (5)
FW 479. Wetlands and Riparian Ecology (3)
MB 448. Microbial Ecology (3)
RNG 352. Grassland and Shrubland Ecosystems (4)
RNG 441. Rangeland Analysis (4)
Z 351. Marine Ecology (3)

Systematics electives:

BI 445. Evolution (3)
BOT 416. Aquatic Botany (4)
BOT 461. Mycology (4)
BOT 465. Lichenology (4)
BOT 466. Bryology (4)
BOT 590. Selected Topics in Mycology: Fungal Systematics (3)
CSS/HORT 450. Plant Breeding (4)
GEN 430. Introduction to Population Genetics (3)
Z 427. Paleobiology (3)

Professional experience electives:

BOT 401. Research (1–6)
   or BOT 410. Internship (1–6)
BOT 405. Reading and Conference (1–2)
   or BOT 407. Seminar (1–2)

Total=21