[The Sunflower Family in Denali National Park and Preserve]

Clustered Marsh Ragwort, Marsh Fleabane, Mastodon Flower

Tephroseris palustris

Synonyms: Othonna palustris, Senecio arcticus, Senecio congestus, Senecio congestus var. laceratus, Senecio congestus var. palustris, Senecio congestus var. tonsus, Senecio tubicaulis, Tephroseris palustris ssp. congesta

Clustered Marsh Ragwort, Marsh Fleabane, Mastodon Flower: Tephroseris palustris (Synonyms: Othonna palustris, Senecio arcticus, Senecio congestus, Senecio congestus var. laceratus, Senecio congestus var. palustris, Senecio congestus var. tonsus, Senecio tubicaulis, Tephroseris palustris ssp. congesta)

The photo above shows mastodon flower as seen alongside a small pond along the park road (milepost in the 80s) in Denali National Park and Preserve............June 24, 2006.

Flower heads of Clustered Marsh Ragwort, Marsh Fleabane, Mastodon Flower: Tephroseris palustris (Synonyms: Othonna palustris, Senecio arcticus, Senecio congestus, Senecio congestus var. laceratus, Senecio congestus var. palustris, Senecio congestus var. tonsus, Senecio tubicaulis, Tephroseris palustris ssp. congesta)

The photo above shows a close-up of the inflorescence of mastodon flower as seen along the park road (milepost in the 80s) in Denali National Park and Preserve...........June 24, 2006.

Upper stem leaves and inflorescence of Clustered Marsh Ragwort, Marsh Fleabane, Mastodon Flower: Tephroseris palustris (Synonyms: Othonna palustris, Senecio arcticus, Senecio congestus, Senecio congestus var. laceratus, Senecio congestus var. palustris, Senecio congestus var. tonsus, Senecio tubicaulis, Tephroseris palustris ssp. congesta)

The photo above shows mastodon flower as seen alongside a small pond along the park road (milepost in the 80s) in Denali National Park and Preserve............June 24, 2006.

Clustered Marsh Ragwort, Marsh Fleabane, Mastodon Flower: Tephroseris palustris (Synonyms: Othonna palustris, Senecio arcticus, Senecio congestus, Senecio congestus var. laceratus, Senecio congestus var. palustris, Senecio congestus var. tonsus, Senecio tubicaulis, Tephroseris palustris ssp. congesta)

The photo above shows mastodon flower as seen amongst cottongrass (Eriophorum sp.) along the park road (milepost in the 80s) in Denali National Park and Preserve...........June 24, 2006.

Paul Slichter