Delaware Wildflowers • Guides
Hieracium — Hawkweed
Nine species in Delaware, four are native. (This page is not finished.)
Basal leaves only (or mostly)
Hieracium caespitosum, Meadow Hawkweed Non-native, Piedmont & coastal plain
Several flower heads on short stalks; black with hairs.
Hieracium pilosella, Mouse-ear Hawkweed Non-native, Piedmont & coastal plain
Usually just one flower head.
Hieracium scabrum, Rough Hawkweed Native, Piedmont & coastal plain
Top of stout stem is densely hairy; basal leaves gone at flowering time.
Hieracium gronovii, Hairy Hawkweed Native, Piedmont & coastal plain
Basal leaves and leaves on the lower part of the stem both present at flowering time.
Sources: The Flora of Delaware, Manual of Vascular Plants, Herbaceous Plants of Maryland.